The Rage Black Series Trypan Broadheads feature age-hardened titanium ferrules for durability and 420 stainless steel blades for sharpness and strength. The unique Hypodermic style tip is engineered for deep penetration and creating micro fractures in bone. With a cutting diameter of 1.75 inches and blade thickness of .039 inches these broadheads ensure that blades remain locked during flight with Shock Collar Blade Lock technology and deploy to cause extensive damage ensuring a quick and ethical harvest.