Available in colors and sizes to fit your space. The head screws can be removed even after installation on a wall, so you can replace the faceplate without any tools. [Size] Spacer: φ0.5 x L0.6 inches (12 x 15 mm); Tap Screw: M4 x 2.0 inches (50 mm); Compatible Surface Plate Thickness: Up to 0.5 inches (12 mm); Accessories: Gasket/tap screw.