SAFE: These lead and nickel free gold plated zinc alloy lobster claw clasps are great for your jewelry making and repairing needs. SIZE: They come in two different sizes to give you more choices. You will receive 50 (12x6mm) and 50 (10x5mm) lobster clasps for a total of 100 pieces. They come in separate sealed bags for easy use and identifying. DURABLE: The sturdy and well quality made clasps ensure a solid closure. USE: They are perfect for necklaces and bracelet making. Use these beautiful shinning clasps for all your creative craft and jewelry making projects.