Made with a layer of Kevlar?, a synthetic material that?s pound for pound 5-times stronger than steel for unsurpassed strength and durability. Built-in weight forward technology for superior down range accuracy with a broadhead. Includes BullDog? nock collar, Blazer? Vanes for added velocity. Mossy Oak? Break-Up? camouflage finish. Straightness of ? .0025". Weight tolerance: ? 1 grain. 6 pack. Shaft Selection Chart Draw Wt. Shaft Size (lbs.) 26" 27" 28" 29" 30" 31" 32" 46-51 - - 250 250 250 250 350 52-57 250 250 250 250 250 350 350 58-63 250 250 250 250 350 350 350 64-69 250 250 350 350 350 350 - 70-75 250 350 350 350 350 - - 76-81 350 350 350 350 - - -