B3 Archery Exoskeletal 3 Blade Broadhead B3s Exoskeletal Broadheads are stronger, straighter and superior €” a patent-pending design built by archers and hunters, like you. The curved blades cut faster and penetrate longer. A combination of blades lying flat and a friction grommet under the blades eliminates external bands, and produces a quiet flight and field-tip accuracy. The pre-loaded blade angle is quick to deploy, and the head design features built-in stops for both closed and open positions, preventing arrow damage. Features: Crafted using 100 grain all-hardened 400 series steel Requires no o-rings, washers or collars Blade thickness is +.032 stainless steel Blades rotate quickly around the smooth tower to improve penetration Razor-sharp edges remain exposed even in the closed position Exoskeletal mounting systems superior strength requires no pins or washers Blades mounted on opposite sides or planes, producing greater hemorrhage Crossbow approved 3 pack of broadheads with a practice tip included Three-blade design, cutting surface + 2 1/2 inches