Single-pole button with center position This button with a toggle lever fits well with standard toggle switches. The middle position makes it good for railway model building (e.g. (operate switches). The colored caps allow for good and clear labeling on the control panel. Of course, the bare rocker arm is just as eye-catching. 1-pole (ON)-OFF-(ON) button function Depending on the switching position, the middle pole is connected to the right or left pole as long as it is pressed. When released, the lever jumps back to the middle position and there is no connection there. Height from thread: approx. 14mm Installation hole: 6mm Lever length: approx. 11mm The delivery unit includes 12 buttons with the selected colored identification caps. I can also deliver the caps mixed according to your ow