These Bits made of premium S2 alloy steel for superior hardness and great rust-resistant, and feature a chrome vanadium steel socket for high strength and superior torque. Four detent grooves in the socket drive end provide a secure connection with spring-loaded detent balls of a drive tool, ensures the sockets won’t slide or drop.
- Quenched and heat treated S2 alloy steel bits
- Complete rust and corrosion resistance
- Chamfered ends insert smoothly into fastener head