3 1/8" LOCKNUT SOCKET 6 POINT For use with a ratchet or breaker bar.. Fits hexagonal 6 point.. Machine welded 3/4” drive plate. High tensile strength steel for added durability in high volume applications.. etching for permanent identification and easy reading. Chamfered edge design for easy on/off transition.. Powder coat finish provides added rust protection. Precision engineered for exact fit and smooth operation. Each socket individually boxed and labeled with bar code.. 3 1/8 LOCKNUT SOCKET 6 POINT Fits hexagonal 6 point. Machine welded 3/4” drive plate. 18534