Blade 0.031-inch thick stainless steel, 1 inch wide closed, 1.75 inches wide open, 1.850 inches head length from insert to tip Ferrule Anodized aircraft aluminum Point Hardened high-carbon steel, hollow ground (threaded on) 100 Grain Expandable 2-Blade Crossbow Broadhead with a 1-inch diameter in flight that opens to 1.75 inches after penetration. *Does not include a practice head. (3-Pack)