Elong 20 inch Crossbow Bolts Aluminum Archery Arrows Targets Hunting Outdoor Moon Nocks 6 pcs/pack, 20 inch Shaft Length THE USING OF CROSSBOW ARROW- The crossbow arrow is suitable for practice or outdoor hunting. Aluminum Shaft, Arrow Weight: 482 grains/pc DURABLE-The hight quality aluminum 7075-T6 crossbow arrow , the outside diameter of arrow is 8.73 mm, inside diameter is 7.74 mm, and improve thickness for increased durability Plastic Half-moon Nock, 125 Grains Field Points, 4 inch TPU Vanes