PRODUCT APPLICATIONSUsed for protecting wires and cables from daily wear and ensuring cable safety. Suitable for cable management in cylinders, valves, pumps, appliances, water pipes, ships, houses and more wiresPRODUCT DETAILS & INCLUDE√ Material: Silicone√ Color: Black√ Size: Fit Hole Diameter: 40mm√ Diameter: 33mm x 47mm / 1.3" x 1.85"√ Thickness: 41mm / 1.61" √ Package Include: 4Pcs x cable pass through grommetPRODUCT ADVANTAGES1. Made of quality rubber, resistant to wear, tear, deformation, and can be repeatedly used for extended periods. Insulating and flame-retardant properties enable locking rings for automotive and industrial applications.2. Ensures a snug fit to protect wires and cables from sharpness metal edges, also can prevent dust and rain from affecting the wires.INSTALLATIONEasy installation, simply insert cords into the hole after cutting the diameter of the desk grommets to the appropriate size, to help manage and hide all cables and wires, keeping the workspace tidy.