AIVOOF 4" Metal O-Ring, 2 Pack 304 Seamless Welding Stainless Steel Rings Heavy Duty Smooth Solid Multi-Purpose Big Ring for for Crafts, 10mm x 80mm: Amazon.com: Industrial & Scientific
Metal Round Welded O Rings Thick:3mm-10mm / OD:20mm-100mm Stainless Steel Ring | eBay
Amazon.com: OROOTL Stainless Steel O Rings Welded Round Rings Marine Grade Metal O Ring Heavy Duty O-Ring Buckle for Macrame, DIY Crafts, Hardware, Camping Belt 2inch 3inch 4inch 5inch : Arts, Crafts