TEKTON 3/8-Inch Drive Extra Long Hex Bit Socket Set, Inch, 1/8-Inch - 3/8-Inch, 7-Sockets | 1362 Premium quality hardened S2 steel bits Precisely-sized, chamfered ends insert smoothly into fastener head, reducing wear High strength chrome vanadium steel sockets with notched drive end lock onto drive tang Removable bit allows easy repair or replacement if worn or damaged Use with any 3/8 in. drive ratchet