Killertech Broadheads bring strength, accuracy and deadly performance to crossbow hunting. Forget O-rings, springs and clipsa |the patent-pending Speedlok system works on crossbows well over 500 FPS without concern of premature deployment. The stainless blades are 50% thicker than average expandable broadheads, providing unmatched durability and strength for all big game species. Works with crossbows that deliver 500+ FPS speeds 2-blade mechanical design Heavy-duty 420 stainless steel blades SpeedLok Blade Retention System Requires no O-rings, washers or collars Aircraft-grade aluminum ferrule with stainless steel tip Perfectly balanced and spin tested for field-point accuracy Includes 3 Broadheads
