CIPA's Extreme Marine Mirror Head is the first ever multi-lens mirror head designed exclusively for ski boats. This mirror head features a 12 x 6 inch shatterproof convex center lens, and two adjustable 4 x 6 inch shatterproof flat lenses on each end. The overall size of the head measures 7 x 20 inches providing an excellent wide angle view of the rear and sides of the boat. The Extreme Marine Mirror features a ball and socket adjustment knob that will keep the mirror where you position it. The Extreme Marine Mirror Head is constructed of heavy-duty durability tested materials and features OE grade glass. In order for glass meet OE standards it must be made utilizing a technique called first surface coating. First surface coating provides a high quality image that eliminates symptoms such as ghosting and multiple reflections. OE standards ensure high quality and a crisp clear view. This mirror head easily exceeds Alabama's 78 square inch law. Package includes 1 mirror head, 1 cup washer, and 1 head fastening knob. Bracket not included.