Our Curved Edge Polished Brass raised plate, dimmer light switches are beautifully crafted with a sleek profile. With a choice of LED compatible or rotary options available. Each plate has a polished brass, shiny finish. Plate Dimensions. 1 Gang Plate - (1 knob & 2 knob option) 88 x 88 x 8mm. 2 Gang Plate - (3 knob & 4 knob option) 148 x 88 x 8mm. Fits into a 25mm - 35mm standard UK wall back box. Product Details. Finish: Polished Brass Curved Edge. Supplied with colour coded fixing screws & plastic gasket. Full fitting instructions included. All Finishes Available: Polished Chrome, Satin Chrome, Antique Brass, Satin Brass, Polished Brass, Matt Black, Black Nickel, Pearl Nickel, Stainless Steel & Georgian Cast Brass. Long-life design and unprecedented value for money make this the ultimate product for you. All items in this range are tested and approved to BS1363 offering assured quality and safety. For peace of mind these items come with a 10 Year Guarantee.