• Set Includes:7 Extra Long 3/8" Dr Metric Hex Bit Sockets:3, 4, 5, 6, 7, 8, 9, 10mm
• Designed to be used with hand tools only. The bit socket warranty is voided if they are used with any type of impact tools.
• Extra long 4-1/2” shank for easy access to tight areas

Bits are made from S2 steel to meet or exceed torque specifications. Sockets are made from heat treated chrome vanadium steel for strength & durability.