50pcs Red Archery Arrow Hunting Arrow Tails Accessories Internal Arrow End Suitable for 6mm Shaft These items are plastic arrow nocks, which are made of hard and durable material. These kinds of arrow can fit any arrow shaft whose internal diameter measures 6mm. Lightweight, proper size, convenient for you to carry. Feature - Color: red.- Material: plastic.- Size: About 3x0.76x0.76cm.- These items are arrow nocks, which are made of hard and durable plastic material.- Waterproof and resistance assure that it is not easy to be got ride of.- These kinds of arrow can fit any arrow shaft whose internal diameter measures 6mm.- Lightweight, proper size, convenient for you to carry.- Perfect gift for your friends who love archery.Packing list: 50 x arrow Nock