Hand tool socket 21SB-S4

21SB - S4 4pcs. 5 - 10mm set (5, 6, 8, 10mm) HEXAGON SOCKET BIT, STANDARD LENGTH, 12.7mm. (1/2") sq. drive, EL/ARMOUR plated blade, packed in a plastic case *When attached to a ratchet wrench or manual impact driver, the socket bit series efficiently performs at high torque work situations such as loosening rusted bolts, etc. The series is manufactured under EIGHT TOOL’s Excellent series specifications to provide outstanding torsional strength and durability for industry professionals. *EL/ARMOUR EIGHT TOOL original premium hard plating Superior performance with outstanding abrasion and rust resistance EL/ARMOUR® is a new-generation plating that was developed to advance EIGHT TOOL quality further under environmental awareness. Years of research and development enabled to achieve excellent abrasion and rust resistance with hexavalent--chromium-free plating technology.