Material:ABSHole diameter: 60mmColor : white/black/grey/brownIdeal accessory for you to install the cable on the computer desk.Used extensively in office, home, hotel, bank, etc.Protect wires from chafing opposed to drilled holes.Acts as a guard from the sharp sheet metallic edges.Package includes:1pc * wire grommet gasketNote: Due to the adaptation between assorted monitors, the image might not mirror the particular shade of the item.Since the dimensions of the product is manually measured, there is a slight 1-5mm error, please understand thank you.