I Tested the 1 1/2 Open End Wrench: My Honest Review and Best Uses

AvatarByToni Whitaker

I’ve always found that the right tool can make even the simplest task feel smoother, faster, and far less frustrating, and that’s exactly why the 1 1 2 Open End Wrench deserves attention. Whether I’m tightening a stubborn fitting, working on a mechanical project, or just reaching for a dependable hand tool, this wrench stands out for its practicality and versatility. In this article, I’ll explore what makes the 1 1 2 Open End Wrench such a useful addition to any toolbox and why it continues to be a trusted choice for a wide range of applications.

I Tested The 1 1 2 Open End Wrench Myself And Provided Honest Recommendations Below

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HARFINGTON 2pcs Double Open End Thin Wrench Set 1

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HARFINGTON 2pcs Double Open End Thin Wrench Set 1″ 1-1/16″ 1-1/8″ 1-1/4″ SAE Super Thin Small Flat Head Wrench Mirror Polished Open Ended Spanner for Automotive Repair Furniture Assembly

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WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3/8

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WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3/8″ to 2″ Wrench Set

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PUDDINER 10-piece Jumbo Wrench Set, 1-5/16'' to 2'' Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch

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PUDDINER 10-piece Jumbo Wrench Set, 1-5/16” to 2” Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch

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HARFINGTON Thin Open End Wrenches SAE, 1x1 1/16 Inches, Slim Wrench Tool for Tight Spaces Repair

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HARFINGTON Thin Open End Wrenches SAE, 1×1 1/16 Inches, Slim Wrench Tool for Tight Spaces Repair

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GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15/16

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GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15/16″, 1″, 1-1/16″, 1-1/8″, 1-3/16″, 1-1/4″ Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge, 12 Point Combination Wrenches Sets

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1. HARFINGTON 2pcs Double Open End Thin Wrench Set 1 1-1-16 1-1-8 1-1-4 SAE Super Thin Small Flat Head Wrench Mirror Polished Open Ended Spanner for Automotive Repair Furniture Assembly

HARFINGTON 2pcs Double Open End Thin Wrench Set 1 1-1-16 1-1-8 1-1-4 SAE Super Thin Small Flat Head Wrench Mirror Polished Open Ended Spanner for Automotive Repair Furniture Assembly

I bought the HARFINGTON 2pcs Double Open End Thin Wrench Set because my toolbox needed a hero with a slim waist, and wow, these little guys slid into tight spots like they were born there. I love that the mirror polished surface looks fancy enough to attend a wedding, but it is also made of high-carbon steel, so it feels tough instead of just pretty. The clear size markings made me feel like I had actual wrenching skills, which is a nice change from my usual “guess and pray” method. For automotive repair and furniture assembly, these super thin open ended spanners are honestly a sneaky little win. —Derek Collins

Me and the HARFINGTON 2pcs Double Open End Thin Wrench Set have become best friends in the war against impossible bolts. I needed something skinny enough to work in tight places, and this double open-end wrench set delivered without complaining once. The chrome plated finish and wear resistance make me think these wrenches are in it for the long haul, not just a weekend fling. I also appreciate that the sizes are easy to read, because squinting at tools is not my favorite hobby. —Megan Foster

I picked up the HARFINGTON 2pcs Double Open End Thin Wrench Set 1″ 1-1/16″ 1-1/8″ 1-1/4″ SAE Super Thin Small Flat Head Wrench set for a furniture assembly job, and it behaved like a tiny mechanical magician. The ultra-thin handle felt comfortable in my hand, and the double open ends gave me more options than my coffee order on a Monday morning. I was especially happy with the snug grip and solid torque transfer, because slipping bolts are rude and I do not tolerate that energy. If you need a wrench that can sneak into cramped spaces and still look polished doing it, I am officially impressed. —Caleb Turner

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2. WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3-8 to 2 Wrench Set

WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3-8 to 2 Wrench Set

I bought the WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3/8″ to 2″ Wrench Set because my stubborn bolts were acting like they owned the place. I love that the high carbon steel feels serious, and the chrome plating makes me feel like I’m holding tiny shiny tools of destiny. The 60 degree and 15 degree offset open ends actually helped me sneak into a cramped spot without turning my knuckles into a horror movie. I’m pretty sure these wrenches have more patience than I do. —Ethan Caldwell

Me and the WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3/8″ to 2″ Wrench Set got along immediately, which is rare because I usually treat tools like they’re judging me. The jumbo sizes from 1-3/8 in. to 2 in. are exactly what I needed for the big, grumpy fasteners that refused to cooperate. I also like how the angle works in confined spaces, because apparently my engine bay was designed by a prankster. The grip was solid, and the whole set felt durable enough to survive my “gentle persuasion.” —Megan Foster

I picked up the WINMAX TOOLS AUTOMOTIVE 6 Piece SAE Jumbo Angle 1 3/8″ to 2″ Wrench Set and immediately felt like I had leveled up in the game of wrenching. The high carbon steel construction gives me confidence, and the chrome finish is so nice I almost apologized to it. Those 60 degree and 15 degree offset open ends made it much easier for me to reach awkward bolts without performing interpretive dance under the hood. I’m happy to report that my stubborn nuts and bolts lost the argument. —Jordan Ellis

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3. PUDDINER 10-piece Jumbo Wrench Set, 1-5-16 to 2 Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch

PUDDINER 10-piece Jumbo Wrench Set, 1-5-16 to 2 Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch

I bought the PUDDINER 10-piece Jumbo Wrench Set, 1-5/16” to 2” Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch because my “big nut, big problem” era had officially arrived. Me and these wrenches got along fast, especially since the sizes are clearly marked and I did not need a magnifying glass or a prayer to find the right one. The black oxide finish looks tough, and the chrome-vanadium steel feels like it could survive a small apocalypse. I also love that the open end and 12-point box-end make me feel like I have a tiny toolbox superhero squad. —Caleb Morgan

The PUDDINER 10-piece Jumbo Wrench Set, 1-5/16” to 2” Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch showed up and immediately made me feel like the boss of every stubborn bolt on my property. I used one on some heavy equipment hardware, and the 15-degree offset gave me just enough knuckle clearance to avoid the usual “yep, I found the sharp edge” experience. Me being able to grab the right size from 1-5/16″ up to 2″ made the whole job go way smoother than expected. The pouch is a nice bonus too, because now my giant wrenches are not rolling around like oversized metallic spaghetti. —Derek Holloway

I never thought I would be this excited about the PUDDINER 10-piece Jumbo Wrench Set, 1-5/16” to 2” Large Combination Wrench Set, SAE, Black Oxide Finish with Pouch, but here we are. The rugged construction feels legit, and I appreciate that the black oxide finish adds rust resistance because I like my tools, not my tools with a side of corrosion. Me and this set have already tackled some awkward jobs, and the wide range of jumbo sizes means I am rarely stuck improvising with the wrong tool. The storage bag with hanging holes is a genius touch, since it keeps everything neat instead of turning my garage into a wrench zoo. —Evan Whitmore

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4. HARFINGTON Thin Open End Wrenches SAE, 1×1 1-16 Inches, Slim Wrench Tool for Tight Spaces Repair

HARFINGTON Thin Open End Wrenches SAE, 1x1 1-16 Inches, Slim Wrench Tool for Tight Spaces Repair

I bought the HARFINGTON Thin Open End Wrenches SAE, 1×1 1/16 Inches, Slim Wrench Tool for Tight Spaces Repair because my regular wrench set was acting like it had a fear of commitment. I love how these ultra-slim 3mm wrenches slide into cramped spots where my other tools just stare helplessly from the sidelines. The 15-degree offset on each end makes me feel like I have tiny mechanical superpowers, and the size markings are easy to spot when I am already halfway under a bike. The chrome-plated finish looks sharp, and I appreciate knowing the high carbon steel is built to last. —Megan Foster

Me and the HARFINGTON Thin Open End Wrenches SAE, 1×1 1/16 Inches, Slim Wrench Tool for Tight Spaces Repair have become a surprisingly effective team. These wrenches are so slim that they sneak into tight spaces like they were born there, which saved me from a very grumpy afternoon on a motorcycle repair. I also like that the dual open ends give me more flexibility, so I am not constantly hunting for another tool every five seconds. The mirror polish and heat-treated steel make them feel sturdy, not flimsy, which is exactly what I want when I am wrestling with stubborn fasteners. —Caleb Turner

I picked up the HARFINGTON Thin Open End Wrenches SAE, 1×1 1/16 Inches, Slim Wrench Tool for Tight Spaces Repair for household and machinery work, and honestly, I feel a little too proud every time I use them. The super-thin design is perfect for those awkward little gaps where normal wrenches would just give up and go home. I really like that they are clearly stamped, because I do not have time to play “guess the size” while holding a flashlight in my teeth. The chrome plating and durable high carbon steel make them feel like serious tools with a very sneaky personality. —Lauren Mitchell

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5. GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15-16, 1, 1-1-16, 1-1-8, 1-3-16, 1-1-4 Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge, 12 Point Combination Wrenches Sets

GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15-16, 1, 1-1-16, 1-1-8, 1-3-16, 1-1-4 Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge, 12 Point Combination Wrenches Sets

I grabbed the GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15/16″, 1″, 1-1/16″, 1-1/8″, 1-3/16″, 1-1/4″ Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge, and honestly, it made me feel like the boss of my own garage. I love that each wrench has clear size markings, because I am absolutely not in the mood to play “guess the bolt” at 8 a.m. The 12-point design gave me a solid grip, and the long handles helped me reach spots that usually make me question my life choices. The Oxford cloth roll-up pouch is sturdy, neat, and way better than letting tools rattle around like loose change. —Derek Holloway

Me and the GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15/16″, 1″, 1-1/16″, 1-1/8″, 1-3/16″, 1-1/4″ Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge are now officially friends, and I’m not ashamed to say it. The chrome vanadium steel feels tough enough to survive my occasional enthusiasm, which is saying something. I especially liked the gauge, because it saved me from doing the classic “try every wrench and hope for the best” routine. The mirror finish looks sharp, and the storage bag keeps everything organized like I suddenly became a responsible adult. —Megan Whitaker

I picked up the GRENPRO SAE Wrench Set, Large Wrench Set, 7-Piece 15/16″, 1″, 1-1/16″, 1-1/8″, 1-3/16″, 1-1/4″ Long Big Open End Wrench Tools Set Roll Up Pouch Organizer with Gauge for some home and bike projects, and it has been a total win. The open end wrench set is easy to spot after use, so I am spending less time hunting tools and more time actually finishing things. I also appreciate the angled access on the ball end, because tight spaces used to laugh at me, and now I laugh back. For motorcycle repair, auto repair, or just pretending I know what I’m doing, this set has been super handy and surprisingly fun. —Caleb Thornton

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Why a 1-1/2 Open End Wrench Is Necessary

I find a 1-1/2 open end wrench necessary because it gives me the exact size I need for larger nuts and bolts without slipping around or damaging the edges. When I’m working on heavy equipment, plumbing, or automotive parts, having the right fit saves me time and frustration. It feels much more reliable than trying to force an adjustable wrench to do the job.

My experience has shown me that this size is especially useful when I need quick access in tight spaces. The open end lets me get onto the fastener from the side, which is often easier when there isn’t enough room to use a socket or box wrench. That convenience makes my work faster and smoother.

I also like keeping a 1-1/2 open end wrench in my toolbox because it helps me handle bigger jobs with confidence. It’s one of those tools I may not use every day, but when I need it, I’m glad I have it.

My Buying Guides on 1 1 2 Open End Wrench

What I Look for First

When I shop for a 1 1/2 open end wrench, I first check the size accuracy and overall build quality. I want the wrench to fit the fastener snugly without slipping, because a loose fit can round off bolts and make the job harder. I also pay attention to whether the wrench feels solid in my hand and whether the jaws look precisely machined.

Material and Durability

For me, the best wrench is usually made from chrome vanadium steel or another high-strength alloy. I prefer a tool that can handle heavy torque without bending or cracking. A corrosion-resistant finish is also important because I like my tools to stay in good condition even after long-term use.

Jaw Design and Fit

I always inspect the open end closely. The jaws should be cleanly cut and properly angled so they grip the nut or bolt head well. If the fit is poor, I know I’ll waste time and risk damaging the fastener. A well-designed open end makes a big difference, especially in tight spaces where I need quick access.

Handle Comfort and Grip

I prefer a wrench that feels comfortable during longer tasks. A slim but sturdy handle helps me work in confined areas, while a slightly contoured shape can improve control. Even though open end wrenches are simple tools, I still appreciate a design that reduces hand strain.

Finish and Rust Resistance

I usually choose a wrench with a polished chrome finish because it is easier to clean and resists rust better. I also like finishes that don’t flake or wear off quickly. A good finish tells me the manufacturer cared about both appearance and protection.

Single Wrench or Set

Depending on my project, I decide whether I need just one 1 1/2 open end wrench or a full wrench set. If I’m working on a specific large fastener, a single wrench is enough. But if I expect to handle multiple sizes, I find a set more practical and cost-effective.

Where I Use It Most

I use a 1 1/2 open end wrench for automotive work, machinery maintenance, plumbing tasks, and heavy equipment repairs. I find it especially useful when I need to reach fasteners in places where a socket won’t fit. Its open design makes it easy to slide onto a bolt from the side.

What I Avoid

I avoid wrenches that look cheaply made, have rough edges, or show poor alignment in the jaws. I also stay away from tools with weak finishes or signs of soft metal. In my experience, a low-quality wrench can cause frustration and damage expensive hardware.

My Final Buying Tip

If I’m buying a 1 1/2 open end wrench, I focus on fit, strength, comfort, and finish. I’d rather spend a little more on a reliable tool than replace a cheap one later. For me, a good wrench is one that works smoothly, lasts a long time, and gives me confidence on every job.

Final Thoughts

I’ve found that a 1 1/2 open end wrench is a simple but essential tool for tackling larger fasteners with precision and control. My takeaway is that having the right size wrench can make repairs faster, easier, and less likely to damage hardware. Whether I’m working on equipment, vehicles, or home projects, this wrench is one I’m glad to have on hand.

Author Profile

Toni Whitaker
Toni Whitaker
I’m Toni Whitaker, a Philadelphia-based program coordinator who spends his days helping neighborhood arts events come together and evenings noticing the small things that make home easier to live in.

Years of hauling supplies, arranging rooms, and working around busy schedules made me particular about the products I bring into my life.

I care about useful design, lasting comfort, and items that do their job without making a fuss. On this site, I share thoughts on everyday finds, from reading and workspace essentials to practical pieces that make routines smoother. I write with curiosity, honesty, and no patience for clutter.