100% new quality Made of plastic, performance, wear resistance, durability and corrosion resistance The flexible opening can accept multiple wires in any direction and can pass through any cable with a diameter of 1.5 inches (diameter) Effective cable and wire management, cables and wires, keep the desktop clean and tidy, it is also a good decoration Installation is simple and convenient-after drilling, insert the grommet body directly into the hole, it can hide all cables and wires Material:plastic colour:black Package Contents: 4 * Threading boxes Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.