About This Nickel & Lead-Free Round Stainless Steel O Rings Metal Jump Rings: Compared to other jewelry rings, the sturdy o rings for jewelry making are tarnish & rust resistant and will not deform, serving as great o rings for jewelry making & metal o rings for crafts. Easy to Use Small Jump Rings for Jewelry & DIY: Compatible with tassels, hooks, & clasps, the stainless steel open jump rings for jewelry making and crafting can be opened by hand, jump ring pliers and other jump ring tools and return to original shape well. Metal Rings for Crafts & Scrapbook: The jump ring set serve as great single loop jump rings for keychains, mini metal craft rings for sun catchers, chandeliers, crystal curtains, wind chimes, ornaments, badges, tags, & stained-glass, cards, & journals. Jewelry Jump Rings for Jewelry Making: The strong jewelry making findings make durable earring jump rings, choker & necklace jump rings, lanyard jewelry connectors, chainmail jump rings, charm jump rings, beading jump rings, and bracelet connectors. 500 Pcs of Bulk Jewelry Findings for Making Jewelry & Crafting: The solderable jump rings kit includes 200 3mm jump rings, 100 4mm jump rings, 80 5mm jump rings, 60 6mm jump rings, 40 7mm jump rings, 20 8mm jump rings, & 1 jump ring opener. Overview Material : Brass, Silver, Stainless Steel, Sterling Silver Color : Stainless Steel Style : Heavy Duty Brand : Mandala Crafts Item Weight : 0.05 Kilograms