These K7 Slimline Tall Retro Knobs Fit on Dimmers of any plate finish. They are made by Varilight. These knobs will transform your dimmer into a retro looking piece of beauty. So if you are wanting that unique old school look, then choose this K7 Retro Knob. Also take a look at Varilight's Retro K6 knob, which is a stouter and wider version.