Pack includes: Come with 30 pieces silver swivel snap hooks and 30 pieces silver split key rings, total 60 pieces. Enough quantity and classic color, which is a idea choice for DIY keychain jewelry crafts. Durable Material: Both keychain swivel hooks and key chains rings are made of zinc alloy, which is durable, robust and long time for use. The lanyard snap hooks are a snap closing accessory to ensure your items will not fall off. Size: The length of the lobster clasp is 1.3in/3.2cm, width is 0.4in / 1cm. The outer diameter of the key ring is 0.98 in/2.5 cm, and the inner diameter of the key ring is 0.87in/2.2cm. That can easily match your DIY projects, art projects, keychain projects. Flexible Rotation: Our key chain clip hooks have utmost flexibility of 360 degree, you can rotate it any direction and easy to use. You can easily clip them to your belt loop or wallet. Wide Application: These swivel snap hooks and key rings are good choice for purses, handbags, dog collars, lanyards, keychains and fashionable jewelry making. Also they can be sent as gifts to your family or friends who like DIY, and enjoy the fun of handmade with your friends and family.