This socket from Beta Tools fits any standard 3/8" square drive ratchet handle or driver. The 910PE series features two-piece construction, with a black oxide-finish male hex permanently inserted into the chrome-finish socket. The male hex is designed to fit any 8mm "Allen" (recessed hex) bolt.
Note: This socket is for use with hand drivers only! It is not for use with impact drivers. Using a hand sockets with an impact driver will void the lifetime warranty.