• Shaft length: 14 inch，Arrow shafts material: fiberglass, Inner diameter: 6mm, Outer diameter: 8mm, GPI: 17.59 grain/inch
• 8mm shafts made of advanced fiberglass durable material, lightweight and excellent accuracy suit for hunting
• Aluminum flat nocks, 100 Grain changeable screw points with aluminum inserts, the screw thread is standard, you could change the points to other hunting blade points
• 3 inch TPU Vanes (One Green Two Orange), easy to find it back after shooting
• Black complete bolts with low hand shock with good speed, recommended for crossbow use