This QuickCar Battery Master Disconnect Switch includes the Alternator Post and comes with a Black Mounting Panel. Panel measures 2-1/2" High X 2-1/2" Wide. Switch handle color is Red. Most racing organizations and sanctioning bodies require these for an emergency cut-off switch. QuickCar master disconnect switches feature a red epoxy-coated handle. Sold Each.Also see part number 55-120 Alternator jumper wire that is installed on Master Disconnect when wired properly.