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Mulwark

MULWARK Folding Allen Wrench Set 2 Pack

  • 2 sets, folding hex keys
  • Dual metric and inch measurement
  • 8 mm jaw capacity
  • Alloy steel, polished finish
  • 4.8 inches long, 0.33 kilograms

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

Two folding Allen key sets in dual measurement, built from polished alloy steel for pocket and toolbox use. Individual key sizes are not itemized.

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ASIN: B086XC2BYVModel: MLK-53780Category: Wrenches

Overview

Folding Allen keys tuck their hex arms into a handle so a whole set rides in a pocket. This pack of two holds metric and inch sizes in polished alloy steel with a standard length.

Dual sizing covers bikes, furniture and imported gear with one tool. Folding arms prevent loss. The listing leaves out each key size, and the torque figure is unusually high for a small folding key.

Who it's for

Bike owners, furniture assemblers and hobbyists who meet both hex standards will keep one in a bag and one in a drawer. Mechanics who need long arms for leverage should buy a fixed set.

Pros and cons

Pros
  • Metric and inch in one tool
  • Folding arms prevent loss
  • Alloy steel construction
  • Two sets per pack
Cons
  • Key sizes not itemized
  • Listed torque figure looks unrealistic
  • Short arms limit leverage

Performance notes

Alloy steel arms resist twisting at moderate torque, but short arms give limited leverage for stuck bolts. Folding hinges add play compared with a one-piece key. Check the listed sizes against fasteners.

Specifications

BrandMulwark
ModelMLK-53780
Dimensions & fit
Item Length4.8 inches
Wrench Length StyleStandard
Item Weight0.73 pounds
Capacity & performance
Jaw Capacity0.3 inches
Construction & materials
Material TypeAlloy Steel
ColorMulticolor
Finish TypesPolished
Included components
Package Quantity1
Unit Count2
Included ComponentsFolding Allen Wrench Set
Other details
Measurement StandardBoth (Dual)
Head StyleRound
End StyleHex End
Operation ModeMechanical
Is Non SparkingNo
Item Type NameHex Keys
Set Name2 Pack
Item Torque490.5 ft-lb

Closest rivals on specs

Amazon Basics Long Arm Ball End Hex Key Set 26 Piece
  • Item Length 4.8 vs 8.3 inches (-42%)
  • Item Weight 0.73 vs 1.63 pounds (-55%)
Wiha 66992 MagicRing Ball End Hex L-Key Set 22 Piece
  • Item Length 4.8 vs 12 inches (-60%)
  • Item Weight 0.73 vs 2.21 pounds (-67%)
Amazon Basics Hex Key Set 36 Piece
  • Item Length 4.8 vs 6.4 inches (-25%)
  • Item Weight 0.73 vs 1.19 pounds (-39%)
  • Item Torque 665 vs 60 Nm (+1008%)
Compare all side by side

Frequently asked questions

Do the Mulwark MLK keys fit both metric and inch bolts?

The listing says dual measurement, covering both standards, but it does not give the individual sizes.

How should I care for the Mulwark MLK keys?

Wipe the polished alloy steel after use and fold the arms in before storing. Keep them dry.

Are the Mulwark MLK keys non-sparking?

No. The listing says non-sparking is not applicable.