The revolutionary Hypodermic Crossbow NC utilizes cutting-edge finger-like tabs on the blades Slip Cam pivot point to anchor them in place while in the closed position, completely eliminating the need for a SHOCK COLLAR , dental band or O-ring, while still providing reliable blade retention. Upon impact, the blades instantly deploy to a 2-inch cutting diameter, administering the gaping wounds that bowhunters have come to expect from the field-proven Rage Hypodermic series. The new Hypodermic Crossbow NC features the lethal Hypodermic hybrid tip with an even narrower profile and needle-like ferrule. In flight, that streamlined design makes for superior field-tip accuracy. The two .035" thick blades deploy on impact, sliding into a swept-back blade angle while the monstrous 2' cutting diameter delivers a wide entry hole for gruesome blood trails and brief tracking jobs. Product Features 2-Blade Crossbow Broadhead 100 Grain Hybrid Hypodermic Tip Machined Stainless Steel Ferrule .035" Blades 2" Cutting Diameter No Collar Blade Lock 3 per Package