Desk grommet for wire management, Made of strong ABS plastic, easy to install and replace . Size details: the diameter of the mounting hole is 60 mm/ 2.36 inches. The overall diameter is 72mm/2.83inches, the height is 20mm, and the thickened thickness is 2.5mm . Practical design: the desk grommet cord is made of quality ABS materials, and the surface is frosted, which is very textured. Four non-slip threaded rings can be tightly clamped in the hole position, not easy to move . Removable lip: there is a small opening that can be manually adjusted by a spring, which is applied to pass the wire through and keep the wire neat. The surface of the opening is designed with non-slip lines to increase the friction with the fingers. The cover can be opened easily and is convenient to use . Daily application: the desk cord grommet can neatly organize computer desks in schools, homes, computer rooms and other places, as well as various wires on the desks, creating a clean and tidy work and study area . Material: ABS Package Included: 1/2 * Desk Cable Grommets