Ivory turn-knob, height 2-3/4", diameter 1-1/2". Bushing tapped 1/8IPS. 0 to 100% dimming control, fits easily on any table lamp. Eliminates the use of expensive 3-way bulbs, saves electricity. Extends bulb life, backed by 3 year factory warranty. Rated 150W-120V. With set screw.
