Experience spot-on accuracy for hunting and target shooting with CenterPoints 20 Crossbow Bolts. High-performance 325-gr. carbon shafts are equipped with 4 vanes, half-moon nocks and inserts. Includes 100-gr. field points. Recommended field-point size: 20/64. Per 6. Length: 20. Straightness factor: .003. Wt. tolerance: 0.007 gr. Nocks: Half Moon. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Carbon Bolts.