Technical specifications Straightness 0.001 inch Weight Tolerance 0.50 ± grains Uncut Length (Approx) 30.50 inch Included Accessories AAE IP Nock MaterialHigh-modulus carbon fibre Optimal ForIndoor Target / Outdoor Target / Field / 3D • 400 (7.1 gpi), 450 (6.7 gpi), 500 (6.0 gpi), 600 (5.5 gpi), 700 (5.8 gpi), 800 (5.3 gpi), 900 (5.0 gpi), 1000 (5.2 gpi), 1100 (5.5 gpi), 1200 (5.5 gpi) Thick walled, 100% high-modulus carbon construction for tight group sizes. High strength, durable construction. Provides wind resisting long range accuracy. Nano-ceramic "ICE" coating for improved penetration and easy arrow removal. Good range of spines for a perfect tune.