Necklace Clasp Size: 0.47” x 0.23”（12mm*6mm), Diameter 0.06"(1.5mm). Double opening appearance,The appropriate size fits most necklaces and bracelets

Durable Material: Necklace clasp made of 316L stainless steel, will never fade, rust, tarnish, corrode, stain and nickel free, 100% healthy for body and environmental

Easy To Use: Push-type spring switch, Installation is quick and simple. Lobster claw clasp can be opened independently by both ends, you just press the spring, hang on the small items and shut down, it will keep your things from falling off

Necklace Shortener: The clasp can be applied as bracelet or necklace extender for jewelry making, when you have bracelets or necklaces that need to be repaired, you can use the clasp to connect the broken part, it is convenient and helpful

Wide Application: Wide usages the shortener clasps are suitable for jewelry repair and assorted jewelry making projects,such as chains, necklaces, bracelets,anklets.Metal S-type Buckle Fashion Mini Snap Hook Necklaces Connectors For Leathercraft Garment Bag Key Ring DIY Jewelry Finding. They are easy to use and will, can make your life more convenient and simple