All Line could be demonstrate clearly. Allows wires and cable to pass through safely and neatly. Suitable for extra length laptop cable. Made of plastic material, with polished finish, by no means scrach and scuff your cable. Ideal accent for you to install the cable on the computer desk, is used broadly in office, home, hotel, bank, etc. Material: plastic Diameter: 60mm/80mm (AS Photo Show) Color:black/gray/silver/white/beige/light brown/dark brown Package Included: 1 x Cable Hole Cover Note: Please allow 1-3mm error due to manual measurement. pls ensure you don't intellect earlier than you bid. Due to the difference between different monitors, the image might not mirror the actual coloration of the item. Thank you!