1. Use The tabletop cable guide can be easily and securely locked in place by clamping it from the top. This means that not even a stiff, thick cable can push open the cover of the desk hole cover. In addition, the openings for the tabletop cable guides are individually adjustable. This makes the cable channel desk also ideal for use on workbenches, desks and more. 2. Assembly Cable grommets provide particularly easy installation for insertion. 3. Quality The cable grommet table is made of highquality plasticthe color matches all furnitureThis cable box organizes cable clutter without a problem. 4. Package contents a set of 1 black cable entry the cable outlet nest consists of two parts outer ring and removable cover. 5. Outlet hole size Outer diameterTotal diameter 70 mm, Height 14 mm, Material Plastic