Trocrazor tip features three mini razors in hardened steel tip No deflection design LockNotch blade retention system provides quick and smooth blade expansion No O-rings or rubber bands Maxx Edge blades Top performance starts up front with the Grim Reaper Razortip mechanical broadhead. The exclusive Trocrazor™ tip features three mini .015'' thick razors securely locked in a hardened steel Trocar tip to pulverize heavy bone and slice like a scalpel. Broadhead design ensures the tip digs into the target before the blades to ensure no deflections. LockNotch blade retention system keeps the three Maxx Edge blades in place without O-rings or bands until the target is struck. Maxx Edge blades give you a .035'' blade with the sharpness of a .020'' blade. Blades switch out in seconds. Includes cutting diameter. 1-3/8" cutting diamter. 3 pack.