This broadhead's high performance design starts with the hardened stainless steel SST tip. This Trocar hollow-ground Smart Tip™ cuts on impact and is pre-aligned to the blades for a continuous cutting edge. This alignment ensures maximum penetration and improved arrow flight. Stable and flat-shooting due to its unique, streamlined design. Features replaceable, .027" vented stainless steel blades and aerodynamic aluminum ferrule for deeper penetration. 1-1/8'' cutting diameter. Six to a pack. The 75 grain features .020" blade thickness and 1-1/8" cutting diameter while all the rest of the blades have a .027" thickness and a 1-3/16" cutting diameter. Features: Hardened stainless steel SST tip, .027'' vented stainless steel blades,Blades aligned with cut-on-impact tip for continuous cutting edge, Streamlined design for stable, flat shot time after time, Replaceable blade design, 1-1/8'' cutting diameter. Available in 75, 90 and 125 grains.