GearWrench 12 Piece 3/8 Inch Drive Hex Bit SAE Socket SetGearWrench 12 Piece 3 8 Inch Drive Hex Bit SAE Socket SetFeatures and Benefits: Patented bit holding system forces bit surface to opposing side for maximum retention Chrome sockets; heat treated for durability and service ability S2 and Alloy steel bits Packaged in patented impact resistant "Slide Rail" System for ease in socket storage Large hard stamped identification 12 Piece 3 8 in. Fractional SAE Hex Bit Socket Set includes: 1 16 in. 3 8 in. Bit