12pcs Archery 33" Pure Carbon Arrow Shafts Straightness 0.003 Spine 300-600 For Recurve Compound Bow

Specifications: Shaft length: 839mm/33" Straightness: 0.003 Spine: 300/350/400/500/600 Shaft material: pure carbon Shaft color: black Shaft inner diameter: 6.2mm Spine 300 outer diameter: 7.57mm Spine 350 outer diameter: 7.46mm Spine 400 outer diameter: 7.34mm Spine 500 outer diameter: 7.15mm Spine 600 outer diameter: 7.07mm Spine 300 GPI: 8.5 Spine 350 GPI: 7.8 Spine 400 GPI: 7.1 Spine 500 GPI: 6 Spine 600 GPI: 5.4 Spine 300 shaft weight: 18.5g/ 280grains Spine 350 shaft weight: 17.2g/ 257grains Spine 400 shaft weight: 15g/ 234grains Spine 500 shaft weight: 12.5g/ 198grains Spine 600 shaft weight: 10.8g/ 178grains Features: Seamless carbon arrow shank for maximum durability. For most compound bows, recurve bows and traditional bows. This package includes 12pc arrow shafts. (no arrowheads, nocks and other arrow accessories)