Easton X10 Protour Shafts 770 1 doz. Black. Designed specifically for compound archers who shoot field and outdoor target archery. Small diameter and tapered design resist wind drift even at longer ranges. Straightness tolerance: +-.0015". Available in sizes 340 (8.8 GPI) 380 (8.4 GPI) 420 (8.0 GPI) 470 (7.6 GPI) 520 (7.3 GPI) 570 (6.9 GPI) and 620 (6.7 GPI). All components sold separately. Specifications for Easton X10 ProTour Shafts: Manufacturer: Easton Archery Application: Hiking Color: Black Quantity: 12 Package Contents: Easton X10 ProTour Shafts Easton 297223: X10 Protour Shafts 770 1 doz. Black