Closures are jewelry findings that no serious crafter should be without. Must-have DIY craft supplies for the bead enthusiast. These metal closures are essential for completing handmade jewelry like necklaces and bracelets. Stock up and have plenty on hand for whenever inspiration strikes! They're perfect complements to glass beads, metal charms, faceted accents and more. Check out our huge selection of beading supplies on this website for more ideas. Metal. 13mm with a 10mm hole.