Reliable Material: All the slider clasps in this kit are made of 304 stainless steel, sturdy, durable , resistant. Hypoallergenic and It will stand the test of time and stay bright for long term using. Product Informations: These clasps 30mm long, 5.5mm wide, 4mm thick, hole: 3.5x1.5mm; inner diameter: 3mm. Total 10pcs in the package. Ideal for use with bead designs, seed beads, cup chains, ball chains, art threads, aluminum fabrics and various string threads for a quick and clean ending. Easy To Use: This tube features a loop attached, so you can easily add a clasp to your piece. Use this tube to finish loomed or stitched designs. Perfect for jewelry making beginner and professional. You can get started on making beaded loom bracelets, chains, earrings, necklaces, charms, anklets and more. Design: The sturdy well quality made clasps designed with unclosed, making the item very easy to use and convenient to take along.Suit for your craft projects and daily needs. It is enough for you to make many beautiful crafts projects. They are cute embellishments for lots of customs, crochet, or other DIY projects. Wide Application: Widely used to make fun accessories for arts and crafts project, ideal for backpack, handbag, belt, purse or used as a keyring, way for DIY to get great style. End bars for earrings, multi-strand and friendship bracelets, stackable necklaces, chokers, ball chain projects, and other DIY stitched designs.