Polished Chrome Dimmer Knob. Measures 3/4" Tall by 1-1/2" Wide and includes matching screws. Made of forged steel with a lacquered finish for durability. Adding a distinctive wall plate or knob to your home decor is one of the most economical ways to give your room the upscale appearance of a professional decorator without the high cost. An Amerelle design, manufactured by AmerTac, renowned for superb quality and workmanship.