Dead Ringer Rampage 100 Grain 2-Blade for Broadheads (3-Pack), 2-Inch Low profile by design, 7/8" in flight and still a devastating 1.5" on impact 0.32 thick spring stainless steel blades, hardened stainless steel Trocar tip T-6 aluminum Ferrule and the most durable O-ring retention System Blades have been tested to over 400fps with no pre-deployment 32 thousandths thick spring stainless steel blades Adjustable cutting diameter from 7/8" closed cutting width to a deadly 2" T-6 aluminum ferrule O-ring retention system