Constructed from chrome molybdenum alloy steel, this 3-piece 3/8" (9.5 mm) drive impact extension set utilizes a locking mechanism with a sliding collar to securely attach sockets. The kit includes 3" (7.6 cm), 6" (15.2 cm), and 12" (30.5 cm) lengths equipped with pin holes for detent pin retention and high-visibility laser etched markings. A manganese phosphate finish provides corrosion resistance for the included tools.

Constructed from chrome molybdenum alloy steel, this 3-piece 3/8" (9.5 mm) drive impact extension set utilizes a locking mechanism with a sliding collar to securely attach sockets. The kit includes 3" (7.6 cm), 6" (15.2 cm), and 12" (30.5 cm) lengths equipped with pin holes for detent pin retention and high-visibility laser etched markings. A manganese phosphate finish provides corrosion resistance for the included tools.