Material: ALLUMINUM FERULES Color: Straightness Factor +/-: Weight Tolerance +/-: Mechanical: Y Fixed: N Grain: 125 Length: Diameter: Other FEATURES: PATENTED Mini-Tip BLADES That GREATLY Enhance Penetration, .035" Thick 440 SS BLADES Combined W/Aircraft Grade ALLUMINUM Ferule For Toughness Other FEATURES2: Designed Specifically For High -Speed CROSSBOWS,Tested Field Point Accurate @ 400Fps To 100 YARDS,Made In The USA,3/Pack