Description 180 Degree mirror. 32" Half dome mirror available with arylic or unbreakable Duramir lens. 32" Diameter. Standard model weighs 3.5lbs For 3 way intersections in medium to lare areas for a blind spot safety & security mirror. Flush mounted to a flat surface. Acrylic Lens available in hardboard, heavy duty plastic or galvanized steel backing. View objects up to 36' away.