Wasp Hammer SST 85 Grain Broadhead Superior Arrow flight and one of the strongest and best penetrating broadheads Stainless Steel Trocar Tip is Precision Machined and Hardened to Rockwell 46C and Hollow Ground to a near razor edge to blast through bone Razor Sharp .027" blades are Precision Ground and Honed and are always perfectly in line with the Trocar Tip edges to increase penetration 85 Grain -1-3/16" Cutting Diameter - 3 per package Field Point Accuracy ; Made in the USA