The Straightest arrow in the Carbon Express lineup at ? .001"! 100% carbon shaft with BuffTuff? Plus for exceptional strength, a BullDog? nock collar for extra durability, Tiger Stripe arrow wraps, and Tiger Blazer? vanes for added velocity. 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 - - -