Stanley® Proto® 8-Piece Folding Hex Key Set has a 3" case that is made of chrome-plated steel for added durability. Set contains 1 1/4 - 1 5/16" long black oxide bits and 0.05", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64" and 5/32" hex keys.
Features
Made using a heat-treated alloy for wear resistance which helps minimize distortion for a long life.
Hex opening holds the bit, allowing the bit holder