Description Material: Our golden lanyard swivel spring hook and key ring are made of high-quality zinc alloy, free of lead and nickel, durable, rust-proof, and have a long service life.[Flexibility] The 360-degree most flexible keychain hook can be rotated in any direction and is easy to use. The lanyard spring hook is a snap closure accessory to ensure that your items will not fall. n Can be rotated in any direction, Easy to use. The lanyard snap hook is a snap closure accessory to ensure that your items will not fall off.Size: The total length of the golden lobster clasp is 31 mm or 1.22 inches, the inner diameter of the ring is 1.1 cm or 0.43 inches the diameter of the key ring is 2.5 cm or 0.98 inches. The size is right and it can easily match your handmade products.Uses: High-grade rotating spring hooks and key rings are suitable for lanyards, webbing, key chains, handbags, wallets, and also suitable for jewelry making, childrens art projects and other small objects.Quantity: The set includes 50 gold lanyard spring clasps and 50 gold split key rings, a total of 100. A great choice for DIY key chain jewelry projects.