Simple and convenient installation: after drilling, put the snap ring body directly into the hole to hide all cables and wires. Effective cable and wire management, protect cables and wires, and keep the desk clean and tidy. It is also a good decoration. The flexible opening can accept multiple wires from any direction and can pass through any cable up to 1.5 inches (diameter). Made of ABS and soft rubber, it has excellent comprehensive performance, wear resistance, durability and corrosion resistance. Package content: two 2-inch black table rivets for 2-inch (50mm) holes.