Trusted for years. The NAPA(R) Spitfire Broadheads feature a 3-blade design, with 1.5" cutting diameter and hardened trophy tip point for bone-crunching power and maximum devastation. Plus, you'll never have to worry about early deployment thanks to their internal spring clips that keep your blades closed until penetration. 1.5" cutting diameter 3-blade design for maximum hemorrhaging 100 grain weight Internal spring clips keep blades closed-no o-rings needed Trophy tip point for bone-shattering toughness Aluminum Micro grooved ferrule Replaceable Diamize sharpened blades Order today!