Reliable Quality: Made of sturdy and reliable S925 sterling silver material, no rusting, anti-sensitive and waterproof, lead free, nickel free and hypoallergenic.Great for sensitive skin and all-day Wear.so you can safely use it to make all kinds of jewelry you like.

Size Details: Small Diameter 0.2in(5mm), Closed Jump Rings 0.16in(4mm*0.7mm). Sizes fit for most jump rings and chain.

Easy To Use: Spring Ring Clasps are convenient connectors that are easy to attach or remove and fit most jump rings and chains. Delicate size, can be matched with fine chain and wire.

Package Content: 5 Sets of 925 sterling silver spring clasps, each jewelry clasps with 4mm open jump rings, which are designed for jewelry making and could match with most necklaces.

Enjoy DIY Fun: Spring clasps can be used to create your unique jewelry crafts, suitable for making adjustable necklaces, bracelets, anklets, etc. You can also use them to restore your existing jewelry. Or as a gift on birthdays or holidays to your friends, family, lovers, or anyone else you want to give. It will be more meaningful.