The Tekton 3-Piece 3/8 Inch Drive Impact Extension Set reaches past obstructions or into tight, narrow spaces and delivers the torque needed to break loose stubborn fasteners. A spring-loaded detent ball securely latches onto sockets, preventing them from being dropped or left stuck on fasteners. Four detent grooves provide a secure connection with the drive tool and a detent pin hole allows user to choose whether to engage pin. Made from premium 6140 Cr-V steel, it is precisely heat treated for superior strength and protected by a corrosion-resistant manganese phosphate finish. Features: • Engineered for use with impact drivers • 3, 6, and 10 inch extensions add length to access hard-to-reach fasteners • Spring-loaded detent ball securely latches onto sockets, preventing them from being dropped • Four detent grooves provide a secure connection with the retaining ball of a drive tool • Made of high-performing 6140 Cr-V steel with a protective manganese phosphate finish
