... 20*15*7.5mm Reach Approved Electrical Rubber Grommet AppearancecylindricalcolourBlack & OptionalMaterialNR NBR SBR EPDM ... extrusionFunctionoilproof, pressure resistance ,waterproof Reach Approved Electrical Rubber Grommet CertificateISO and FDAUse inmedical,industry,appliance, ... kinds of rubber bumper,rubber feet,rubberstopper,gasketsand seals,gum foot,metals rubber coating.silicone keypad,rubber strip, ...