Gold Tip Superfly Pro 22in Carbon Crossbow Bolts - 12 Pack - The Gold Tip Superfly Pro Crossbow Bolt is built to convert the powerful energy generated by high-performance crossbows into more accurate shots where it matters most: Your target. Designed with high modulus carbon and a super-stiff spine, the Superfly Pro gives you the long-range accuracy your crossbow was built to deliver! +/- .001in straightness tolerance +/- .5 grain weight tolerance Designed for crossbows shooting 350+ FPS Smart Carbon Technology – pure carbon, no fillers Legendary durability & straightness retention Length: 20in 8.5 GPI Included Components: GT Half-moon Nocks (17 Gr), GT Series Flat Nocks (11 Gr), And Brass Insert (110 Gr)