[RELIABLE MATERIAL]: The jewelry making accesoories are made of premium material with shiny and smooth surface after well-polished precedure[INCLUDING]: Package contains 450pcs jewelry accessories in total, including 200pcs open jump rings connectors, 200pcs bead tip knot covers and 50 lobster claw clasps. Sufficient quantity jewelry casting supplies will meet your various needs, you can make so many different kinds of jewelry crafts with them[ABOUT SIZES]: The open bead tips knot covers is about 0.16 x 0.27 inch/ 4 x 7 mm, jump ring connector measures approx. 0.03 x 0.16 inch/ 0.7 x 4 mm, and each of our lobster claw clasps is about 0.23 x 0.47 inch/ 6 x 12 mm; Its suitable Compatible With most jewelry accessories[WIDE USAGE]: The jewelry making supplies are perfectly suitable Compatible With jewelry making items like bracelets, anklets, chokers, key chains and earrings. With the accessories set, you can make exquisite and unique jewelry crafts as you want. And there are two loop holes in the bead tips knot covers, you can use a plier to press them to cover the knots or crimps on the end of beaded necklaces or bracelets, then connect it with lobster clasps and jump rings[AS A GIFT]: These diy jewelry making supplies are perfect Compatible With both women and men accessories jewelry, you can make various meaningful jewelry crafts and give them to your parents, friends, couples, relatives, elders as Christmas gift or holiday giftsMaterial:Stainless steelcolour:SilverPackage Contents:200 * open jump rings connectors200 * bead tip knot covers50 * lobster claw claspsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.