Enhance your jewelry designs with our NEW carabiner charm holder clasps! Designed to be used for quicker necklace making and charm keeping, this is the perfect way to turn your unfinished chains into necklaces and bracelets that are charm-friendly and on trend. The Mini Circle Carabiner Charm Clasp features a polished finish made of 316L stainless steel with an easy-to-open, secure spring clasp. • Waterproof, Non-tarnish, Hypoallergenic • Quality That Lasts • Perfect for enhancing your standard chain necklaces and bracelets PVD Coating - We use the process of PVD Coating our 18K Gold jewelry over 316L surgical grade stainless steel for a non-tarnish, hypoallergenic, finish that will hold up best to everyday wear and will never turn your customer's skin green. Approx. Weight: 1.27 grams(12mm) / 2.17 grams(15mm) / 2.31 grams(17mm) Approx. Dimensions: 12mm x 12mm(12mm) / 15mm x 15mm(15mm) / 17mm x 17mm(17mm)