Fixed blade broadhead features the Alcatraz Bladelock design that completely interlocks the stainless steel blades inside the ferrule, the steel ?Rhinoferrule? houses 4 imprisoned aerodynamic razor sharp .035-in. blades for the best combination of accuracy, strength, penetration, and hemorrhage, 4-Bld. Pack Size: 3/pk. Weight: 100gr. Style: BH Diameter: 1 1/8"