MULTIPURPOSE - Suitable for your keyrings, key accessories, DIY crafts, projects making, jewelry making,handbags, dog collars, straps, cat hammocks, puppy harnesses, key chains, belts for jeans skirts, armor, tote bags, lanyards. SWIVEL FLEXIBILITY - The lanyard hooks with a full 360 degree capable swivel lobster clasp claw for easy use and you can rotate it any direction, but D Ring connect holder do secure well. MATERIAL - These snap clips and d rings are made of metal alloy, safe and durable, robust, which ensure longer use of the works. SIZE - The swivel snap is approx. 1-5/8 inch (4.1 cm) in length and 20mm or 25 mm inside width. QUANTITY - Package comes with 50 pieces heavy duty swivel hooks with D Ring connection, perfect for your sewing project, you can create your own key chains to give as gifts etc. Description: - 50Pcs Swivel Snap Hooks and D Rings for Lanyard and Sewing Projects. - Material: Alloy. - Swivel hooks - Sturdy, lightweight and durable, won't rust easily. - These keychain set can be used for making handbags, straps, cat hammocks, puppy harnesses, key chains, Jewelry Findings, Purse, lanyards and other DIY crafts. -They are also perfect swivel hooks for the ends of lanyards when you are making for gifts. Specification: Size Charter: - 20mm:41x23mm - 25mm:41x39mm Package Includes: 50 Pcs Swivel Clips Note: Please allow 1-3cm errors due to manual measurement. Thanks for your understanding!