1.Rubber gasket 2.Various size/color 3.Material:NBR 4. ... Use:seal, damper, super quality. Specifications Name Flat Rubber gasket Material NBR.(other material also can be manufactured.) Color ... As a professional manufacture of making all kinds of Rubber Gasket , we have our own team of researching, developing ... just for benefits but for friendliness. Black rubber gasket, resist oil, long service time