Feature: QUANTITY: Comes with 30 Pcs Swivel hooks and 30 pcs keychain rings are a necessary combination for DIY clip lanyard and fashionable jewelry making. SIZE: Swivel clasp length: 3.5 cm/ 1.37 inch; D ring width: 1 cm / 0.4 inch; Split ring diameter: 2.5 cm/ 1 inch. Sizes will easily match with your regular needs. MATERIAL: Both clasp snaps and key chain rings are durable and robust, they are made of alloy metal hardware and lead-free which guarantee longer use of the works. SWIVEL FLEXIBILITY: Swivel claps have utmost flexibility of 360°, it's easy to use and you can rotate it any direction. Wide Applications: The swivel snap hooks great for making purse, backpacks, handmade dog collars, luggage straps and so on. you will have endless creative possibilities with these key chain hooks.