In this guide we’ll look at the best allen key sets.
We’ve compared included keys, construction material, accessories and cost
to give you our top recommendations.

What Is The Best Allen Key Set?

IMAGERECOMMENDED PRODUCTSPRODUCTFEATURES
  • No. of keys: 9
  • Weight: 200 g
  • Min – Max Size: 1.5 – 10 mm
  • No. of keys: 30
  • Weight: 998 g
  • Min – Max Size: 0.7 – 10 mm
  • No. of keys: 10
  • Weight: 998 g
  • Min – Max Size: 2 – 10 mm
  • No. of keys: 9
  • Weight: 281 g
  • Min – Max Size: 1.5 – 8 mm
  • No. of keys: 36
  • Weight: 1.08 kg
  • Min – Max size: 1.27 – 10 mm

More Detailed Allen Key Set Reviews

Wera 950 SPKL/9 SM N SB Multicolour BlackLaser L-key set

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  • No. of keys: 9
  • Weight: 200 g
  • Min – Max Size: 1.5 – 10 mm
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Wera 950 SPKL/9 SM N SB Multicolour BlackLaser L-key set Review

Wera is one of Germany’s best-known hand tool manufacturers, and this Hex-Plus multicolour set is quite simply the best Allen key set we’ve ever reviewed. The quality of the steel and finish is outstanding, we don’t expect it to scratch or bend any time soon.

For a simple tool, Wera BlackLaser L-key set have made some useful innovations to help you out during use. The colour-coded plastic sleeve makes for instant size recognition, and will let you know straight away if one is missing. The sleeve acts as an extra bit of grip, and will even help your fingers out if the temperatures drop low.

The ball-ended sections are brilliant for turning hard-to-reach bolts on an angle, and their extra length translates to more torque for less effort. The best hex key innovation that Wera have developed is the star shaped end that really grips into bolts and avoids any slipping.

The carry clip is handy as well, it feels like tough plastic and should keep everything stored securely when not in use.

Draper 33894 Metric/ Imperial Combined Long Pattern Hex Key Set

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  • No. of keys: 30
  • Weight: 998 g
  • Min – Max Size: 0.7 – 10 mm
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Draper 33894 Metric/ Imperial Combined Long Pattern Hex Key Set Review

This reliable combination of metric and imperial long pattern hex keys from Draper are probably the last set you’ll need on site.

We really liked the range of sizes available in this kit, having imperial alongside metric means you’re ready for any eventuality, and can tackle almost any bolt that comes your way.

The solid plastic case is slim enough to fit into a shallow tool drawer or bag, and keeps the keys organised for quick access when not in use.

Silverline 323710 Hex Key T-Handle Set 2-10 mm - 10 Pieces

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  • No. of keys: 10
  • Weight: 998 g
  • Min – Max Size: 2 – 10 mm
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Silverline 323710 Hex Key T-Handle Set 2-10 mm - 10 Pieces Review

Silverline are a well-known UK tool brand with plenty of experience making useful hand tools. Their T handle set of Allen keys is perfect for when you need to apply extra torque to a bolt.

The solid plastic handles fit well in the hand, and the ones we tested out were comfortable to use and were surprisingly long, with the longest key at 24 cm. You have two options with each key, either the long shank for tight spots, or the stubby end for when you need that extra bit of power.

The best T handle Allen key set needs a robust stand, so we were pleased with the included one. It can be bolted to a wall or workbench, and will keep them in order and secure for when they’re needed.

Stanley 097552 1.5 - 8mm Fatmax Locking Hex Key Set

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  • No. of keys: 9
  • Weight: 281 g
  • Min – Max Size: 1.5 – 8 mm
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Stanley 097552 1.5 - 8mm Fatmax Locking Hex Key Set Review

A list of hand tools wouldn’t be complete without something from Stanley, and their 097552 FATMAX set is impressive for its size. It’s like a Swiss Army Knife for Allen keys, a set that gives you the best Allen wrench in your pocket for when you need it the most.

It’s the right size to fit into the smallest of tool kits, but still offers a wide range of sizes to fit most common bolt heads. The handle is rugged and although a bit bulky, it’s a small price to pay for having all of these keys in one place.

Our favourite feature of the best folding Allen key set is the three locking positions available on each hex key. Depending on the situation, you can lock each key out at 90°, 130° or 180°. This is useful for when access is limited, or when you need the handle to give you some extra grip.

Meterk 36 Pc Allen Key Allen Wrench Set

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  • No. of keys: 36
  • Weight: 1.08 kg
  • Min – Max size: 1.27 – 10 mm
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Meterk 36 Pc Allen Key Allen Wrench Set Review

Meterk manufacture a range of hand and power tools ranging from the best hex keys to 3D printers. The combination hex key set we tested was the most comprehensive on this list by far, giving you a huge range of metric and imperial Allen keys to play with.

You might not always come across imperial Allen keys sizes, but with this Meterk 36 Pc Allen Key set, you’ll never be caught out in an emergency. We really like the included handle; it fits most of the larger hex keys in the set and gives you something solid to hold on to when bolts are tough.

The ball-ends are another innovation usually only found on the best Allen key sets, but are welcome on a set at this end of the budget scale.

Allen Key Set Buyer’s Guide

Hex head bolts are as familiar to DIYers and professional contractors as screws and screwdrivers. They are found on everything from mountain bikes to computers. The best Allen wrench like Draper 33894 and Stanley 097552 needs to be strong, weather resistant and easy to use.

Construction Materials

The best hex keys like Meterk Allen Wrench Set need to be strong enough to tighten down bolts without bending, but flexible enough so that they can take torsional forces without shattering. The best Allen key socket sets are usually made from steel, with coatings like chrome vanadium for hardness and weather resistance.

Accessories

The best metric Allen key set is no good if the individual keys are lost at the bottom of a tool box. Luckily sets like the Wera Hex-Plus comes with a handy clip to keep them organised, and the Silverline 323710 includes a bench mounted storage rack.

FAQ

What is an Allen key?

Named after the Allen brand of tools from Hartford, Connecticut in the USA, they are hexagonal shaped lengths of steel that fit snugly into bolt heads, depending on the size. Commonly referred to as a hex key as well.

Conclusion

After looking at five of the best Alen key sets, we have to pick a winner. The Wera Hex-Plus is the hands-down favourite after seeing just how many innovations can be made to such a simple tool. The colour coding, clever head shape and carry clip were all excellent features.

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