Allen Stryke Therm-X 100gr Expandable Broadhead - 3 Pack - When you're looking for a broadhead that flies like a field point and delivers a massive cutting diameter look no further than the Stryke Therm-X Broadhead. With a 2-inch cut, you won’t have trouble finding these blood trails. The aircraft-grade aluminum ferrule and .032 inch stainless steel blades make the Stryke Therm-X Cut On Contact mechanical Broadhead very durable and ready for any hunt.