... O-zone resist NBR rubber grommets/cable grommetsMaterial: NBR compoundHardness: 40-80 Shore AProtect cable and wires, UV,O-zone ... resistApplications: to provent against sharp edges of holes for cable, wiring, tubing and more.Main used in electronic appliances ... , furnitures,trucks, tools ,cable industry and more.Can be Ozone resist, UV resist, ...