Package Content: You will receive 4 pieces of the black desk variety in the package. ABS material, 60mm diameter, long-term use. Efficient Cable Management: Cable Cable Execution organizes wires and cables to keep the table clean and tidy and to cover the edges of sharp holes. Avoid cluttered cables and keep your desk tidy. It will bring much convenience to your daily life. Unique Design: The plastic cable entry has a special cross-shaped design that helps you connect cables in different directions. Easy to Install: The cable entry is very simple, easy to install and does not require any other tools. Simply insert the grommet into the previously drilled hole on the table, then pass the cable through, then add or remove the cable as needed. Wide Application: Suitable for cables of computer components, workstations, desks, table tops or other furniture.