PACKAGE INCLUDES: You will receive 12 lobster clasps, 6 in gold and 6 in silver. The diameter of the magnet buckle is 6MM(0.23), and the length of each lobster buckle is 40MM(1.57) after it is closed. RELIABLE MATERIAL: Made of alloy and magnets, these lobster clasps are sturdy and durable, ideal for your homemade jewelry. The metal closure buckle is made of stainless steel and then gold-plated or silver-plated, which is dazzling, very eye-catching, and has a good texture.Not easy to rust, not easy to damage, not easy to break, deform, bend, and keep color and shape after long-term use. EASY TO INSTALL: These chain lobster clasps are easy to use. You only need to connect the two ends of the jewelry chain to the lobster clasp, then put the jewelry cylindrical buckles close to each other and the magnets will attract each other. A fully closed jewelry chain is complete. COMPATIBLE WITH HANDMADE: Gold and silver lobster clasps can be adapted to common jewelry and pendant styles, and the colors are easy to DIY, so you dont have to worry about buying the wrong accessories. A large package of accessories allows you to quickly get matching parts when you need them, adapt to your personal custom style. WIDE RANGE OF USES: Chain locks can be used on regular necklaces, bracelets and anklets, chokers. Use when youre crafting new handmade trinkets or replacing old trinket parts. The exquisite and compact texture is easily suitable for various everyday occasions. Can also be used for key chains or watch chains, add pendants or accessories, compatible with various DIY accessories.