Size: Inner diameter 18mm x Hole diameter 22mm, Pack of 10 【Soft Rubber Material】Cable grommets use soft rubber material, protecting cables and wiring while also achieving an aesthetically pleasing appearance. They feature a simple design in black. 【Ideal for Cable Protection】These grommets employ rubber bushings to securely fix cables and wires. They protect against friction and external impacts, offering reliable, double-sided protection and excellent durability. They also function as electrical rubber grommets. 【Versatile and Convenient】Suitable for a wide range of applications, including offices, homes, factories, and vehicles. Especially for DIY projects and situations with different mounting diameters, we offer sets of 7 sizes and packs of 10. Recommended for those who want to protect wiring and electrical wires while improving work efficiency. 【Easy Installation】 1. Make a hole in the installation location (check the size chart for the mounting diameter). 2. Cut the membrane of the rubber bushing with a cross mark. 3. Insert the grommet into the hole to complete the installation. The round shape makes installation easy, and the slight elasticity allows for use even if it's slightly larger than the inner diameter. 【For DIY Enthusiasts】This product, which achieves secure cable protection while maintaining a clean appearance, is the perfect item for those who want to easily organize cables and protect electrical wires.