Product Details:

4-Way Mounting Bracket is fully adjustable to accommodate and adequately support 13 inch (330 millimeter), 18 inch (457 millimeter) or 26 inch (660 millimeter) convex mirrors.

The Bracket will hold only two each 30 inch (762 millimeter) or 36 inch (914 millimeter) diameter mirrors and only if they are mounted on opposite arms, not at 90 degrees to each other.

Can be mounted in hallways or heavy traffic areas where there is limited visibility.

Bracket can be extended to a maximum of 20 inches (508 millimeters).

Additional Product Information:
This Mounting Bracket will accommodate both Circular and Rectangular Convex mirrors.