This is a mirror mounting bracket for the 4700 S Series International fromCham-Cal Engineering. Aluminum housings are fully gasketed with insulated mirror glass to stay fog-free OR90 fits either driver or passenger side OR91 is for driver side only and includes an International style plug OR92 Mounting Bracket includes an outer yoke, clamps and hardware, and mounts using the existing holes in your truck Mirrors are 7″W x 16″H Mirror sold separately