Hexagon Keys are six sided wrenches for driving socket screws which are used mostly on machinery for fastening parts tightly together. Fully hardened chrome vanadium.

Sizes:

• 0.7. 0.9, 1.3, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10mm.
• 1/16in, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 0.28, 0.35, 0.50in.