The on impact of the MiniMag-CP with the hardened steel chisel point cuts a 2 bladed 1.5" entry hole that the impact blades cut a clear path for the internal cutting blades that open inside the chest cavity to create a massive 4 blade wound channel to achieve max penetration with total cutting of 3.00". The 7075-T6 aluminum is twice as strong with the two blade entry hole, four blade exit, stainless steel tip blades, durable .036" 420 SS mechanical blades, straightness guaranteed, military grade containment strap, field point accurate, dual threat for compound and crossbows, can convert to 125 grain broadhead (collar not included).