100 pieces - 100 pieces. Each round split ring measures 25mm in diameter, each with 5 link chains and an 8mm diameter open ring at the end. Total length 5.8 cm, chain about 3.3 cm. .Material: iron and nickel, sturdy, wear-resistant and not rusty, not easy to fade. .Easy to use The split rings are designed with link chains and a jump ring allow you to easily attach pendants and charms with the key ring. . Workmanship These rings are well made, smooth surface and smooth edge, won't scratch your hands or belongings. .Widely Used: Can be used to make keychains, bag charms, phone charms, bag charms, handbags, etc. .