Aluminum; Hunting arrow nock: a set of 40pcs arrow tails, sufficient quantity will meet your demands., Hunting Archery Nock.
Bow arrow nock: light weight, convenient for you to carry and store, Hunting Arrow Accessories.
Arrow end tails: great for practice and use, Arrow Accessories.
Arrow nock tails: great arrow accessories for enhancing resistance and accuracy for archery, Arrow Nock.
Arrow end nock: this is a present for friends who like, Hunting Compound Arrow Nock.

What's in the box
40 x Arrow Tails