1/2" NPT male pipe threads. This is a flush mount button that gets pressed to release pressure from line, vessel, etc.
QuickCar Ignition Control Panel Starter Black 1 Toggle/ 1 Push Button Start USRA
QuickCar Ignition Control Panel Black 3 Toggles/ 1 Push Button/ 3 Lights
QuickCar Fused Ignition Control Panel Black 6 Toggles/ 1 Push Button/ 6 Lights
QuickCar Ignition Control Panel Black 1 Toggle/ 1 Push Button/ 1 Light
QuickCar Ignition Control Panel Black 2 Toggles/1 Push Button
Ignition Switch Panel 1 Push button 1 Switch w/ Light INCLUDES WIRING HARNESS