Rage 2 Blade NC Chisel Tip 100gr Expandable Broadheads - 3 Pack - Newly incorporated Rage NC (No Collar) technology integrated blade containment system utilizes cutting-edge finger-like tabs on the blades' pivot point to "anchor" the blades in place while in the closed position. This technology completely eliminates the need for a Shock Collar, dental band or O-ring, while still providing a 100% reliable blade retention system. Chisel Tip point No Collar blade retention 2 Blade design with .035in Thick stainless steel blades 2in cut Anodized Aluminum Ferrule