Switches have 11/16" long handles and 15/32"-32 thread diameter mounting stems

Body diameter is is 1-7/16" Mounting stem is is 13/16"-24 diam

12/24v - 115/230vac

Automatic Free-Fall System

Number of speeds : 2

Rugen Bulkhead-Mount Reading Light, Chrome Windlass Switches have 11/16" long handlesRugen Reading amp; Chart LED Flex Light is an elegant and modern flex arm bulkhead mount reading amp; chart light. Its warm white LED provides bright illumination for reading. Press twice on the built in switch and the color switches to a Red LED night light. Press and hold the switch to dim each color to desired intensity. The white LED is equivalent to a 20W halogen yet consumes just 3W of power.