Amazon.com: uxcell Nitrile Rubber O-Rings 12mm OD 7mm ID 2.5mm Width, Metric Nitrile Rubber Sealing Gasket, Pack of 25 : Industrial & Scientific
Amazon.com: KHJK Useful CS5.7mm NBR Rubber O Ring OD 110/115/120/125/130/135/140/145x5.7mm 20pcs ORing Nitrile Gasket Seal Thickness 5.7mm O-Ring (Size : OD110x5.7mm) : Industrial & Scientific
Amazon.com: BAIJIAXIUSHANG CS5.7mm FKM Rubber O Ring 5PCS OD 290/295/300/305/315/320/325/330x5.7mm O-Ring Fluorine Gasket Oil Seal Green ORing O-Rings (Size : OD320x5.7mm) : Industrial & Scientific
Amazon.com: YINGJUN CS5.7mm Silicone O Ring OD 205 210 215 220 225 230 235 O -Ring VMQ Gasket Seal Thickness 5.7mm ORing White Red Rubber 5PCS Ring Gasket (Size : OD230x5.7mm Red) : Industrial & Scientific
Amazon.com: CHGCRAFT 500pcs 7mm Alloy Closed Jump Rings Assorted Color O Ring Metal Soldered Rings Connector Loops for Chainmail DIY Keychain Necklace Bracelet Jewelry Making Collector, Mixed Color
Amazon.com: PH PandaHall 1250pcs Jump Rings, 6 Sizes Jewelry Loop Ring Jump Lock Rings O Rings Connectors Rose Gold Links Open Jump Ring for Earring Bracelet Necklace Making (4mm, 5mm, 6mm, 7mm,
Amazon.com: uxcell Nitrile Rubber O-Rings 9mm OD 7mm ID 1mm Width, Metric Sealing Gasket, Pack of 20 : Industrial & Scientific
Amazon.com: 1000Pcs O Ring Connectors Metal Open Jump Rings Set 304 Stainless-Steel Jump Rings for Jewelry Making Connectors ( 4mm 5mm 6mm 7mm 8mm 10mm) : Automotive
Amazon.com: 1000Pcs O Ring Connectors Antique Bronze Iron Jump Rings Metal Open Jump Rings Set 304 Stainless-Steel Jump Rings for Jewelry Making Connectors ( 4mm 5mm 6mm 7mm 8mm 10mm) : Automotive