pstrongFeatures and Benefits:/strong/pulliWear Guard Tip? protects fit over the life of the bit/liliOptimized Shockzone? absorbs peak torque and prevents breaking/liliCustom Alloy76? steel is engineered to extend bit life/liliPrecise fit custom machined tip prevents stripping and reduces wobble/liliShockzones? are optimized in both length and width per tip type for best performance across tip types/li