NAP Endgame 100gr Fixed Broadhead - 3 Pack - The Endgame has an over-sized bone breaker tip for maxiumum penetration on all sizes of game. It has a X-lock 2-blade system that ensures blade retention on impact. Individually spin-tested for optimal down-range flight performance. Single piece CNC-machined grade 5 titanium ferrule .031in thick razor-sharp replaceable stainless-steel blades Practice blades included 1-3/16in cutting diameter