Dimensions:#C6055-Silver, 4.7mm inside diameter, 6.0mm outside diameter, 14.0mm long, Rhodium Plate*, lead free, made in USA Jewelry making findings, clasps, hooks, magnetic, & sliders. Each of these hooks and clasps come fully assembled, just add glue and your cord and you"re done! It is that easy to make jewelry! You are purchasing one clasp or hook. Many to choose from. If you are looking for another size, check our store for more listings. Dimensions:#C6055-Silver, 4.7mm inside diameter, 6.0mm outside diameter, 14.0mm long, Rhodium Plate*, lead free, made in USA Jewelry making findings, clasps, hooks, magnetic, & sliders. Each of these hooks and clasps come fully assembled, just add glue and your cord and you"re done! It is that easy to make jewelry! You are purchasing one clasp or hook. Many to choose from. If you are looking for another size, check our store for more listings.