Harbor Freight Tools


Metric Locking Hex Key Set, 8 Piece

This premium quality hex key set features 5 locking positions for maximum torque

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The QUINN™ 8 Piece Locking Hex Key Set features superior construction with keys that lock in place for maximum torque. The easy locking mechanism prevents folding, and pinched fingers, during use. Designed with 5 locking positions for access to tight work spaces, the easy release lever makes it simple to fold the keys when the job is done. Easy-to-read size markings provide effortless key selection.

  • 5 locking positions for maximum torque and access to tight work spaces
  • Release lever securely locks and rotates at 90°, 135°, 180°, 225° and 270°
  • Comfort grip handle for firm, non-slip grip
  • Black phosphate finish protects against rust and corrosion

Black phosphate
Product Height
1.87 in.
Product Length
5.11 in.
Product Weight
0.64 lbs.
Product Width
1.38 in.
SAE or Metric
Shipping Weight
0.84 lb.
1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm
Grip material
Note: Specifications are approximate and subject to change

Lifetime Warranty. We guarantee this Tool to be free from defects in material and workmanship for the life of the product. Limitations apply.