Material - The cable hole table buckle is made of zinc alloy, which is durable, beautiful and not easy to rust. The wire threading hole is made of high-quality ABS plastic, which is high temperature resistant, odorless and soft in texture. Size - You will get 2 desktop grommets, the diameter of the mounting hole is 80mm/3.15 inches, and the height is 12mm/0.47 inches. The hole saw diameter is 80mm. The total diameter of the desktop cable grommet is 90mm/3.54 inches Easy to install - Just drill a hole in the surface and insert the grommet into the hole. Lined with ABS plastic brushed on the opening to hold the cable and prevent it from being damaged Removable lip - Removable cover with an opening sleeve, you can open the hole and clip the top cover, so if you have a lot of wires, you can use the desktop grommet without the cover Desktop cord - Suitable for computer office furniture equipment, computer desktop desk, cabinet, TV table; the wire hole cover is convenient for the cable to pass through, making the cables and wires on the desktop neat and organized