5 Piece 1/2" Drive Torque Limiting Impact Extension Bar Set

GEARWRENCH Torque Limiting Impact Extensions are designed for professional garages to quickly tighten lug nuts and other fasteners to pre-set torque designations. They provide torque values that are applicable to many of the most common car, truck, and trailer lug nut torque requirements. The 1/2" drive bars are designed to be used with pneumatic or cordless impact wrenches. Each bar is color coded to help you quickly identify the torque value and stored within a convenient storage case.