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 6 piece 1/4" drive metric hex bit socket set comes with a socket rail for storage and organization and includes sizes 2mm, 2.5mm, 3mm, 4mm, 5mm, & 6mm.
- Bits made of S2 steel for strength and durability
- Heat treated for maximum durability
- Hard stamped size markings