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. Each 2-blade version incorporates premium-grade aluminum ferrules and ultra-tough .035? thick and razor-sharp stainless-steel blades for exceptional performance on game animals of all sizes.Features:125 grain broadhead;2" 2-blade cutting diameter. No Collar (NC) technology does not need a retention device;0.035" blade thickness