Features and Benefits: WEAR GUARD TIP protects fit over the life of the bit; Optimized SHOCKZONE absorbs peak torque and prevents breaking; CUSTOM ALLOY76 Steel is engineered to extend bit life; Precise fit custom machined tip prevents stripping and reduces wobble; SHOCKZONES are optimized in both length and width per tip type for best performance across tip types; Laser hardening at the tip creates an outer protective shield for improved wear resistance; Customized geometry and heat treatment per tip type for best performance across tip types; Up to 50X Life vs other impact bits; Laser etched size for easy identification; Designed for use in Impact Drivers and Drill Drivers;