3pcs Square Cable Grommet Cover: You will receive 3pcs black square cable grommet cover. Two sizes: square 80 x 80 x 28mm, required drilling size 68mm x 68mm; rectangular 160mm x 80mm x 28mm, required drilling dimension: 148 x 68mm. Aluminum alloy material: This gland cover is made of aluminum alloy, and the inner wall is fixed. Structural design: Flip cover design, simple structure, curved cover plate, corrugated internal structure design, exquisite and beautiful. Wide range of applications: suitable for desks, TV cabinets, computer desks, etc., easy to install, helping you create a cleaner workspace. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.