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 with Impact Drivers and Drill Drivers