Easton X10 Shafts 410 Black Pack of 12. Designed specifically for compound archers who shoot field and outdoor target archery. Small diameter and barreled design resist wind drift even at longer ranges. Straightness tolerance: +-.0015". Available in sizes 350 (8.8 GPI) 380 (8.9 GPI) 410 (8.5 GPI) 450 (8.1 GPI) 500 (7.8 GPI) 550 (7.5 GPI) and 600 (7.0 GPI). All components sold separately. Specifications for Easton X10 Shafts: Manufacturer: Easton Archery Application: Hiking Color: Black Package Contents: Easton X10 Shafts Easton 575516: X10 Shafts 410 Black Pack of 12