This 200 Piece Kit Includes Sterling Silver Crimp End Caps & Silver Plated Open Jump Rings Findings 100 Sterling Silver Crimp End Caps For Making Necklaces, Bracelets & Anklets This is a new set of 100 sterling silver crimp end caps Great for making necklaces, bracelets and anklets Each has an inside diameter of approximately 1.2 mm and measures approximately 8 x 3 mm (5/16" x 3/16") 100 New 4mm Silver Plated Open Jump Rings This is a set of 100 silver plated round unsoldered open jump rings These are for connecting jewelry parts such as clasps, charms, links, etc This size is great for connecting clasps or hanging small items from any jewelry piece Each measures 4 mm (3/16") in diameter