Unique 2 blade crossbow design provides you with two separate cutting edges, the first set of edges, also known as the wing blades, are used for cutting the hide and the first set of ribs. These blades are also used to open the broadhead and are much smaller than the main blades. The second set of edges, or the main blades do not touch anything during the initial penetration, angled shots are not a problem with the Swhacker. They feature hardened high carbide steel tip and .032? thick stainless steel honed razor sharp blades, on a anodized aircraft aluminum ferrule. Broadhead is 1" in flight blade diameter and 1 3/4" final cutting diameter. Practice head . Pack Size: 3/pk. Weight: 100gr. Style: BH Diameter: 1 3/4"