These indispensable tools are essential in every tool room, machine shop, and to all other industrial users. Especially useful in hard-to-reach places. Speeds up all socket screw fastening. Greater torque pressure can be applied easily. Drivers are made of special alloy steel, hardened for longer service. Each set of 8 comes in own plastic case.
Width across flats: 3/16"
Overall length: 5"