Hex Bit Socket 3/8" Drive 5/16

Wiha Hex bit sockets feature our standard insert bits in a square drive socket. Allowing you to use a square drive ratchet to get more torque and access areas that screwdrivers cannot.  The bit sockets make it easy to replace the bit with a hex set screw that holds the insert bit securely, in the event the bit needs to be replaced.  Hex Bit Sockets with easy change replaceable bit Exact Fit Precision Machined Bits Through Hardened For Maximum Durability Special CRM-72 Tool Steel, Natural Finish Bit Chrome Plated Socket are 3/8" Square Drive