Package Quantity: 60PCS Keychain Making Kit includes 30 pieces Swivel Snap hooks and 30 pieces key rings, Great value for Keychain jewelry making Size: The length of lobster claw clasp is 1.26inches, ring inner diameter is 0.4inches, the keychain rings are 1 inch in diameter. Great size to match your keychain projects Materials: The snap hooks and key rings are made of zinc alloy, smooth and durable, robust and long time for use Swivel Flexibility: The keychain clip hooks is designed with a clamp opening and 360 swivel flexibility, The metal snap hooks are a snap closing accessory to ensure your items will not fall off Multipurpose Usage: The lobster claw clasp and key rings are great for make keychains, lanyards, handbag, purse, handbags and other small keychain projects