The Easton Camo Hunter XX75 Aluminum Arrow Shafts feature a classic camo style with precision and strength, in a long list of available spines. Super strong 96,000 psi (pounds per square inch) 7075-T9 alloy with hard anodized 4-tone camo and easy draw finish. Aluminum UNI bushings and nocks installed, inserts included. 1816 and 1916 models use X nock, other models use Super nock. Features4-tone camo easy draw finish7075-T9 Alloy, 96,000 psiAdjustable nock alignment with UNI bushing"X" or Super nock installed, inserts includedSold by the dozen only