Powerful: Specially designed for cables, compact design perfect for running cables through the wall, ensuring neat and orderly routing, reducing friction between cables and walls for enhanced durability. High-Quality Materials: The black grommets are made of high-quality silicone which has the characteristics of strong expandability, anti-aging, durability, and high sealing performance. The corrugated design of the grommet makes the installation stronger and tighter. Clean Look: This black wall grommet simplifies cable routing, sealing wall openings, which not only improves the aesthetics of the installation but also prevents cables from potential damage and abrasion. Product Packaging: Each box includes 6 black cable grommets, 1 inch spade drill bit, 1 inch strengthened drill bit, 5/16 inch drill bit, and 30 pcs wall wire clips. The drill bit can easily cut through the wall, and the wire clips can secure cable, designed to provide a clean and organized setup. Colour: black. Material: Plastic + Metal. Due to different batches, there may be differences in product appearance and printed text, which do not affect use. Package Contents: 1 x Cable Routing Kit. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.