Sizes and Quantity: Each set includes 2pcs rectangular double-ended clasps measuring 20mm(0.8 inch) in length and 7mm(0.3 inch) in width with a semi-circular end design for easy connection. Includes 1pcs stainless steel natural color and 1pcs gold-colored Clasps catering to different style preferences secure connection and ideal for creating elegant jewelry pieces Premium Material: Made from high-quality 304 stainless steel with a mirror-polished finish the edges are smooth and won’t scratch your hands. The gold-colored option features lustrous finish compared to ordinary alloys it is more durable can be used long-term and is less prone to fading thereby extending the lifespan of your jewelry Easy Assembly: The clasp features a spring mechanism design. Simply press the switches on both sides with your thumb to open or close it effortlessly. When connecting thread the chain through the half-circle end cap to secure it in place. To disassemble perform the reverse operation. This makes it particularly suitable for layered jewelry that requires frequent adjustments Versatile Application: In addition to standard necklaces and bracelets it can be paired with functional accessories like eyeglass chains. The semi-circular ends can hang small pendants to create removable bookmark accessories. In outdoor settings it can be used for quick replacement of keychains carabiners and other gear Ideal DIY Gift: Use the gold clasp to make a necklace for your best friend or pair the stainless steel version with leather cord to create a couple's bracelet. For Mother's Day combine it with a pearl chain to make an adjustable-length sweater chain or use it as a safety clasp for fishing gear. Create different gifts for different people to express your feelings