Wasp Boss SST 3 Blade Broadhead - 100 grain Time Tested Low Profile, fixed blade design features a Stainless Steel Trocar Tip that 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 Short, Aerodynamic aluminum ferrule with a 1-1-8" Cutting Diameter 100 grain fixed - 3 per package Field Point Accuracy ; Made in the USA