FEATURES-4 pack-100 grain-.035 SS Lutz blades-Super Steel ferrule-4-edge, bone-splitting tip-Alcatraz bladelock-1 1/8" + 1 1/8" = 2 1/4" total cutPRODUCT SPECIFICATIONS:Dimension 0.50 X 6.00 X 9.05Height 0.5000Width 6.0000Length 9.0500MATERIAL 100% STEELTYPE BROADHEADSMECHANICAL NFIXED YGRAIN 100DIAMETER 1 1/8"OTHER FEATURES: 100% STEEL FERRULE,ALCATRAZ BLADELOCK SYSTEM,.035 S/S LUTZ BLADES,& 4-EDGE BONE SPLITTING TIP,4 HEADS PER PACK PROVEN MIX OF GEOMETRY AND WEIGHT,HEAD QUICKLY STABILIZES SHORT CROSSBOW BOLTS FOR PERFECT FLIGHT & EXCEPTIONAL ACCURACY & PENETRATION