This classic 18K Gold PVD Stainless Steel Square Toggle Clasp is perfect for various jewelry-making projects. It is strong and secure, making it ideal for necklaces and bracelets. Simply connect the bar to one end and the loop to the other. The bar goes through the loop creating a strong connection that will hold your jewelry in place all day. ✦ Waterproof, non-tarnish, hypoallergenic ✦ 18K Gold PVD coated 316L Stainless Steel - PVD COATING - We use the process of PVD Coating our 18K Gold jewelry over 316L surgical grade stainless steel for a non-tarnish, hypoallergenic, polished finish that will hold up best to everyday wear and will never turn your customer's skin green. Approx. Weight: 1.88g Approx. Dimensions(mm): Loop: 13.80mm x 13.80mm, Connector: 2.10mm Bar: 19.70mm x 1.80mm, Connector: 2.10mm