Specifications: Inner Diameter:52mm / 2.05-inch; Outside Diameter:59mm / 2.32-inch; Cross-Section Diameter: 3.5mm / 0.14-inch; Package Contents: 5pcs x O... Chemical Resistant Seal Uxcell 51mm OD 47mm ID 2mm Width Seal Fluorine Rubber O-Rings Green 10 Pack Fluorine Rubber Gasket Seals Uxcell Fluorine Rubber O-Rings, 50mm OD 47mm ID 1.5mm Width FKM Seal Gasket for Machinery Plumbing, Green, Pack of 5 ... In stock, dispatch in 24 hours International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., [Size] - 50mm(1., 97 Inch) OD, 47mm(1., 85 Inch) ID, 1., 5mm(0., 06 Inch) Cross-Section Diameter [Feature] - O-ring round in cross-section to provide a seal between cylindrical overlapping surfaces. They are commonly seen in engines, flanges, valves and so on Oil Resistant Seal Fluorine Rubber Seals 6mm OD 3mm ID Fluorine Rubber O Rings 361128