Rugged Construction: Made from sturdy materials, accessories can withstand daily wear and tear. Versatile Use: perfect for seamlessly routing low-voltage cables through walls, ensuring a neat and organized setup. EASY INSTALLATION: The sleeve comes with easy-to-follow instructions and requires 1-inch pre-drilled holes for easy and safe installation of cables. Colour:Black Material:plastic Package Contents: 1 set of combs (2 pack) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.