Stanley 90-391 SAE and Metric Folding Hex Key
The Stanley 17-in-1 SAE and Metric Folding Hex Key features a chamfered edge that smoothly guides wrenches into the hex key, while symbols on each folding set make for easy identification and use. The hex key consists of durable composite construction with a comfortable, over-molded ergonomic grip. It is backed by a limited lifetime manufacturer's warranty.Versatile, durable, and designed to accomplish tasks efficiently.