... , PC, POM, Nylon size.: inner dia: 8mm, 10mm, 14mm, 15.8mm, 30.5mm Plastic O ringMaterial: PP, PC, POM, Nylonsize.: inner dia ... dia:10mm, outer dia. 15mm, material POM, color: whiteinner dia: 14mm, outer dia. 20mm, material: polycarbonate, color: clearinner dia. 15.8mm ... , for other colors, will produce according to customer's order. Plastic O Rings