Carbon target shaft from Easton. Key features: Durable, carbon construction with 7075 aluminium core. Optimized for compound archery. Parallel shaft design. Small diameter ideal for long range shooting. Stiffer spines to suit longer drawlengths and heavier poundages. Technical specifications: Material: Carbon Diameter: Grains Per Inch: 7.8 (420 spine) Straightness Tolerance: ± .0015" Weight Tolerance: ± 0.5 grain Available Spines: 300-570 Uncut length (approx): 570 & 520: 31.5 inches 470-380: 32.5 340 & 300: 33.5 Included components: None Optimal for: Long range target shooting. Field and WA/ FITA Outdoor.