Wide range of uses: Lobster claw clasps can be used to make a variety of unique jewelry crafts, suitable for making adjustable necklaces, bracelets, earrings, pendants, chains, anklets, etc., and are practical jewelry accessories. Size and quantity: The brass lobster clasp is 13mm in total length, the clasp is 10x6x2.3mm, the jump ring is 4x0.6mm, and the hole: 2.6mm. A total of 50 pieces to meet your different needs. Easy to use: Lobster clasps and jump rings for jewelry making are easy to install. The lobster clasp opens and closes smoothly and fits most jump rings and chains, making it ideal for making homemade jewelry or repairing existing jewelry. Makes a lovely gift: The lobster clasp can complete a unique handmade product and make exquisite jewelry for family, friends, classmates or other important people during the holidays to express your care and love for them. Reliable material: This necklace clasp and jump ring are made of highquality brass plated with 14K gold, which is durable and sturdy, not easy to break or fade, and each clasp can be easily opened and closed for longterm use.