If you are looking for a safe, cost-effective clasp that will not overpower the rest of your piece, it is safe to assume lobster clasps will work for you. Lobster clasps is the most commonly used clasps because of both their simplicity and their relatively low cost. Available in many sizes and metals which makes them ideal for your designs! Lobster Clasps have a spring-loaded mechanism on its side, the body of the lobster clasp has more metal weight than a similarly sized spring ring, which makes them thicker, heavier, and won't dent or crush (easily), and should last you a long time. Our commitment to consistent gold quality ensures those with metal allergies that they will not react to our replacement clasps. The comfortable material can be suitable for most people to wear, not allergic with smooth surface, not easy to damage, they can be preserved for a long time for your using.