All Line will be demonstrate clearly. Allows wires and cable to go through safely and neatly. Suitable for extra size computer cable. Made of plastic material, with polished finish, by no means scrach and scuff your cable. Ideal accent for you to install the cable at the laptop 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 enable 1-3mm error because of handbook measurement. pls ensure you don't mind earlier than you bid. Due to the adaptation between various monitors, the picture may not reflect the particular color of the item. Thank you!