Amazon.com: uxcell O Ring Buckle 50mm(2") ID 3mm Thickness Zinc Alloy O- Rings for Hardware Bags Belts Craft DIY Accessories, Silver Tone 2pcs : Arts, Crafts & Sewing
Amazon.com: 10 Pcs 50mm 2" Metal O-Rings O Rings Non Welded Nickel : Arts, Crafts & Sewing
770pcs Rubber O Ring Assortment Kits 18 Sizes Sealing Gasket Washers Made of Nitrile Rubber NBR by HongWay for Car Auto Vehicle Repair, Professional Plumbing, Air or Gas Connections: Amazon.com: Industrial &