GearWrench 84173 1/4” Drive Impact Extension 4” The GearWrench 84173 1/4” Drive Impact Extension 4” are made with chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability. GearWrench 84173 1/4” Drive Impact Extension 4” feature a pin hole for use with pins and o-rings for secure socket retention. GearWrench 84173 1/4” Drive Impact Extension 4” features high visibility laser etched markings and meet or exceed ASME B107.2 standards.

GEARWRENCH offers a wide range of impact products in open stock & sets that are designed to deliver the performance and strength that the professional users require. They are made from chrome molybdenum alloy steel for exceptional strength and durability. Our sockets have a manganese phosphate coating to resist corrosion. The sockets also feature highly visible laser etched markings and a secondary size hard stamping. The sockets feature off-corner loading to reduce fastener rounding. The GEARWRENCH impact product family will allow the professional user to FORGE AHEAD.Dim. A: Drive End: 0.626

Prop 65: No Warning