Amazon.co.jp: Othmro O-Ring 0.3 inch (8.6 mm) Width 4.5 inch (115 mm) Outer Diameter 3.8 inch (97.8 mm) Inner Diameter 2 Pieces Nitrile Rubber O-Ring O- Ring Black Nitrile Rubber Gasket Rubber Ring
Amazon.co.jp: Uxcell Washer Seal Ring, O-Ring, 0.2 x 0.4 x 0.04 inches (5 x 12 x 1 mm), Hose Gasket, Rubber Material Faucet Grommets, 100 Pieces : Industrial & Scientific
Amazon.co.jp: O-Ring Set, 225 Pieces, General Purpose, Gasoline, O-Rings, Oil-Resistant, Heat-Resistant, Rubber, Water Area Leakage, Rubber Packing : Industrial & Scientific
Amazon.com: Captain O-Ring - Power Pressure Washer O-Rings for 1/4" Quick Coupler, High Temperature Viton FKM (10 Pack) : Patio, Lawn & Garden
Amazon.co.jp: O-Ring Assortment, Assorted Set Black Rubber O-Ring Metric O- Rings, Washer Seal for Selection of Car Durable Gaskets : Industrial & Scientific