Long Reach Allen Keys

The vast majority of Allen wrenches or hex keys tend to be made from a single piece of steel, formed into an ‘L' shape with one long side and one shorter side. A long-reach Allen key features an especially elongated side, providing easier access to hex bolts and sockets that are more deeply recessed or located in otherwise tricky-to-access spaces.


Our range of long-reach Allen keys are manufactured by leading brands like Irwin, Stanley, Bahco, GearWrench, Wiha Tools, Facom, RS PRO, and of course the original trademark designer, Allen.

How would you use a long reach hex key?

Where the additional access provided by a long-reach hex wrench is needed, you'd use the more elongated side as the ‘driver', and the shorter side therefore becomes the handle that you turn to tighten or loosen the fastener. However, when a hex bolt is within easy reach and there's plenty of space to work in, long-arm Allen keys can also be handy used in the reverse configuration - the longer side can help provide better grip and torque when operating as a handle.

What types of long reach Allen keys are available?

Long-reach Allen keys are a common feature of most good quality hex key sets, which tend to include a useful range of common wrench sizes and diameters (typically from around 1-1.5mm, up to 12mm and beyond).

Like all hex wrenches, long-reach Allen keys are also sold with a variety of head and handle types for various more specialised applications - these can include:

  • Folding hex keys, for added convenience in storage and transit
  • Multi-way Allen wrenches
  • Screwdriver handle or straight hex key sets
  • P-head Allen keys
  • Square head hex keys
  • T-handle Allen keys, for more comfortable grip and easier torque
  • Ball head hex wrenches, for more convenient positioning in tighter spaces

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Description Price Imperial or Metric Number of Pieces Hex Key Size Shape Short or Long Arm Finish Hex Key Type Non Sparking Height Safe Material VDE/1000V Approved Priced to Clear
RS Stock No. 542-3509
BrandRS PRO
£24.68
Each
Units
Metric 15 1.27 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, 4.5 mm, 5.0 mm, 5.5 mm, 6.0 mm, 7.0 mm, 8.0 mm, 9.0 mm, 10.0mm L Long - Ball End - - S2 Steel - -
RS Stock No. 541-7324
BrandRS PRO
£39.01
Each
Units
- 33 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0 mm, 1/4 in, 1/8 in, 3/16 in, 3/32 in, 5/15 in, 5/32 in, 5/64in L Long - Ball End, Hex Wrench - - - - -
RS Stock No. 537-782
BrandRS PRO
£10.96
1 Set
Set(s)
Imperial 10 1/16 in, 1/4 in, 1/8 in, 1/16 in, 3/8 in, 3/16 in, 3/32 in, 5/16 in, 5/32 in, 5/64 in, 7/32in L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 537-811
BrandRS PRO
£26.46
1 Set
Set(s)
Metric 10 2.5mm T Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 833-5913
BrandRS PRO
£38.16
Each
Units
Metric 15 9mm L, T Long - Ball End, Hex Screwdriver - - Steel - -
RS Stock No. 449-9612
BrandRS PRO
£16.55
1 Set
Set(s)
Imperial 12 0.5 in, 1/16 in, 1/4 in, 1/8 in, 3/16 in, 3/32 in, 5/16 in, 5/64 in, 7/32in L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 734-882
BrandRS PRO
£0.168
Each (In a Pack of 5)
Units
Metric 1 2mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 735-100
BrandRS PRO
£1.54
Each
Units
Metric 1 5mm L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 537-805
BrandRS PRO
£26.25
1 Set
Set(s)
Imperial 10 1/4in T Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 734-911
BrandRS PRO
£2.42
1 Pack of 5
Pack(s)
Metric 1 4mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 537-827
BrandRS PRO
£14.48
Each
Units
Metric 25 1.5mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 734-905
BrandRS PRO
£1.42
1 Pack of 5
Pack(s)
Metric 1 3mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 734-876
BrandRS PRO
£0.20
Each (In a Pack of 5)
Units
Metric 1 1.5mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 247-9997
BrandRS PRO
£40.93
1 Set
Set(s)
Metric 8 2 in, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0mm T Long - Hexagon - - Chrome Nickel Alloy - -
RS Stock No. 735-093
BrandRS PRO
£0.656
Each (In a Pack of 5)
Units
Metric 1 4mm L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 735-065
BrandRS PRO
£2.94
1 Pack of 5
Pack(s)
Metric 1 2mm L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 735-071
BrandRS PRO
£2.69
1 Pack of 5
Pack(s)
Metric 1 2.5mm L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 734-927
BrandRS PRO
£2.14
1 Pack of 5
Pack(s)
Metric 1 5mm L Long - Hexagon - - Chrome Vanadium Steel - -
RS Stock No. 668-5773
BrandRS PRO
£23.75
1 Set
Set(s)
Metric 9 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0mm L Long - Ball End - - Chrome Vanadium Steel - -
RS Stock No. 668-5745
BrandRS PRO
£6.54
Each
Units
Metric 1 6mm T Long - Hexagon - - Chrome Vanadium Molybdenum Steel - -