Single Brush Wall Plate Cable Pass Through Insert creates cable access from any wall Easy to set up, installation can be finished in a few minutes.You just need to insert the brush into the outer casing and place it . It can run your cables clean and through the wall. The package is equipped with mounting screws. Single (1-) low voltage mounting bracket adjusts to fit 1/4 inch to 1 inch thick wall board, paneling, or drywall; designed to mount wall plates . Note:The same size as a standard outlet wall plate(regular single outlet size), the plate DOESN'T FIT WORK BOXES. The length between two mounting holes is 3.68 inch, comfirm the size ordering. Colour: white + black Material: plastic Package Contents: 3 x Wallboard 3 x Single row low voltage mounting bracket 13 x Mounting screw Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.