Plastic hole grommets made from high quality ABS plastic material,good comprehensive performance, wear-resistant, corrosion-resistant, durable to use. Widely used in organize wires and cables on office equipment, computer components, entertainment systems effectively, keep wires from cluttering your work surface.Keep your work surface clean. Furniture hole cover, a small open hole for running wires through it and keeping the wires more neatly, the cover is removable, so if you have a lot of cords, you can use the desk grommet without cover Desk grommet,Easy to install, Free of the mess, the overall size of grommets measures 1.7 x 0.63 inch (Dia. x H), fitted with the mounting hole diameter is 35 mm/ 1-3/8 inch