3 Size: These rose gold clasps are available in 3 different sizes, about 5/6/7.7mm in diameter, 1.3~1.8mm thick, hole: 1.4~1.8mm. Each size 4 pieces, 12 pieces in total. 3 different sizes can match up with different projects, enough to meet your needs.Feature: Pushes buckle, easy remove, strong spring ring clasps create a strong hold to ensure clasps stay connected throughout the day. Attractive and easy to fasten.No more fumbling with clasps like lobster clasps.Easy To Use: These steel spring ring clasps are a convenient substitution for other types of clasps. The closure of spring ring clasps is very easy to push and fit for most jump rings and chain.Stainless Steel Clasps: These clasps are made of 304 stainless steel, hand the high quality material makes these clasps hard, not easy to break, not easy tarnis, for long-lasting wear.Widely Use: Suitable for the leather, satin cord necklaces and other stringing materials to create an adjustable necklace or bracelet; Also perfect for repairing your existing jewelry or creating homemade jewelry.