Rage Black Series Chisel. With a cutting diameter of 2 inches and blade thickness of .035 inches these broadheads promise a devastating impact. The inclusion of three crossbow and three vertical bow collars ensures compatibility with various setups while the hardened steel chisel tip is designed to penetrate even the toughest hides and bones. Specifications for Rage Black Series Chisel: Manufacturer: Rage Color: Black Features of Rage Black Series Chisel: Rage Black Series Chisel Broadheads 2-inch 3-pack Aircraft-grade aluminum ferrule for strength 420 stainless steel blades for durability 2-inch cutting diameter for substantial impact .035-inch thick blades for deep penetration Includes collars for both crossbow and vertical bows Hardened steel chisel tip for superior penetration Package Contents: Rage Black Series Chisel