Description
Drop-forged steel extension bars. Suitable for use on all types of impact tool. Chrome Vanadium steel used on 3/8″ and 1/2″Sq drive size. Chrome Molybdenum steel used on 3/4″ and 1″Sq drive sizes, which demand higher torque rates. Phosphate finish for added corrosion resistance. Spring-ball socket retainer and drilled head to accept retaining pin where applicable.