This heavy-duty, light-push, single plunger run/inch palm button provides 1 NO and 1 NC contact arrangement. This 2 1/2″ button is constructed of zinc cast and has a flat plunger. The palm button cover plate has a solid neoprene gasket which provides an oil-tight seal upon installation. This palm button can be used instead of the standard palm button when a lighter push is required. The force required to operate this button is 2.5 lb.