... resistance, O zone resistance etc.ShapeAccording to your requirement.ColorAny color is available ,according to your requirements.MaterialNBR, CR, SBR, EPDM ... contains o-rings, rubber seals, rubber gaskets, rubber grommets, rubber washers ,rubber bumpers, rubber bellows, rubber suction cups, rubber pads, rubber bushings, rubber plugs, rubber bracelets etc. Custom rubber parts are our ...