Amazon.com: 50mm Round Silver O Ring Multi-Purpose Metal O Ring for Making Plant Stand Rings, Pet Rope Ferrules DIY Metal Rings (10 Pack) : Clothing, Shoes & Jewelry
Amazon.com: Bluemoon 10 Pcs - 50mm 2" Metal O-Rings Rings Non Welded
Amazon.com: 10 Pcs 50mm 2" Metal O-Rings O Rings Non Welded Nickel : Arts, Crafts & Sewing
Amazon.com: BronaGrand Pack of 50 Metal Nickel Plated D Ring (1inch) : Everything Else
Amazon.com: PISTON RING SET (.50MM) 4969847 : Automotive
Amazon.com: Hysagtek 50 pcs Metal O Ring and D Ring, Non-Welded Metal Rings Multi-Purpose Buckles for Bag Straps, Belts, Macrame, Pet Collar Leashes - Silver 15mm, 20mm, 25mm, 32mm, 38mm : Arts,
50 1/8" I.D. 1/4" O.D. 1/16" Thick BUNA-N Rubber O-Ring: O Ring Seals: Amazon.com: Industrial & Scientific