3/4 -inch hole required for installation; 2mm minimum mounting thickness; Dual post screw terminals; 55/64 button flange; Ultra flush mount
TERMINATOR All Metal Push Horn Activation Button.
The Terminator - All-metal flush mount push button switch. This makes a perfect, discreet and nearly bulletproof trigger for any Kleinn horn. The visible part of the button is 3/4" in diameter and is easy to hide.