The Truck-Lite Steel Tripod School Bus Bracket is the perfect solution for mounting convex mirrors with a ball stud on the fender of school bus. This bracket is made of durable steel and features a black powder coat finish for added protection against the elements. The bracket extends from 13'' to 25'' after mounting, which makes it easy to adjust the mirror to the perfect angle. FleetPride is your First Click in Heavy Duty®.