Folding Hex Key (Allen Key) Set.

This is an 8-piece, extra long length, folding hex key (Allen wrench) set. The set includes both metric hex keys and Torx keys in a single folding tool. It is made of Chrome Vanadium (CrVMo) tool steel. The metric hex key sizes included are 1.5, .0, 5.0, and 6.0 mm. The Torx key sizes included are T-9, T-10, T-15, T-20, T-25, T-27, T-30, and T-40. Hex keys are essential tools used for driving bolts and screws with hexagonal sockets.