The NAP Endgame 100 Broadhead features an over-sized bone breaker tip for maximum penetration, 1 3/16 inch cutting diameter, and a single piece CNC machined grade 5 titanium ferrule. The X-lock 2 blade system ensures blade retention. The 0.031 inch thick razor sharp stainless steel blades are replaceable. Each broadhead is individually spin tested. A set of practice blades is included. Over-sized bone breaker tip for maximum penetration on all sizes of game Grade 5 titanium ferrule CNC-machined from a single piece for ultimate durability X-lock 2-blade system ensures blade retention on impact .031 inch thick ultra-sharp replaceable razor-sharp stainless-steel blades Individually spin-tested for optimal down-range flight performance Practice blades included ultra-sharp replacement blades included 1 3/16 inch cutting diameter