Increase safety and improve security with the Polished Stainless Steel Straight Arm Universal Four-Hole Mount Safety Mirror Mounting Assembly. This assembly is designed for conventional or cab over tractors and is available in non-adjustable or 14 inch to 19 inch adjustable arm options. The circular mirror head RT-604898 is included with the non-adjustable assembly arm with RT-610869. Made of stainless steel, this assembly eliminates blind spots and expands visibility to easily monitor traffic. It fits most makes and models and comes with a 1-year warranty from Retrac Mirrors.