Serving our customers with quality and safety first.
27.8 mm
14.0 mm single end
0.375in. single end
manual tool
6 point single end internal
square single end internal
steel
chromium
INTERNAL-Internal
An item having an internal drive at one end made to fit into the external drive end of a socket wrench handle, torque wrench, or power driven tool. The opposite end consists of various internal wrench shapes such as hexagon or square. It may include an integral universal joint.