If you're looking for an arrow that's bad to the bone, look no further than the X-Impact! We constructed the X-Impact from the highest quality materials to ensure it's the best nano diameter shaft on the market. This shaft is made of 100% High-Mod Carbon, which means it's our lightest shaft available to date; this allows for more point weight up front, equating to better flight characteristics and long range pin-point accuracy. It's perfect for any hunter or target shooter looking for the highest quality long-range carbon arrow. Ideal for long range target shooting such as Field and WA / FITA Outdoor. Straightness tolerance: 0.001in Grain weight tolerance: +/- 1gn Shaft length: 32in Durable, 100% high-modulus carbon construction. Low grains per inch allows for improved front of centre tune Small diameter ideal for long range shooting. Wide range of spines available. Material: Carbon Diameter: 16/64in Grains per inch: 8.7 (400 spine) Available spines: 250-1100 Included components: Black Eagle M Nocks