GEARWRENCH bit sockets have heat treated alloy steel base sockets and S2 steel bits for durability and long tool life. Our hex bit sockets help users loosen & tighten internal hex fasteners. The 10 piece 3/8" and 1/2" drive metric hex bit socket set comes with a socket rail for storage and organization and includes sizes 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, and 17mm.
- Bits made of S2 steel for strength and durability
- Heat treated for maximum durability
- Hard stamped size markings