This newly developed auxiliary mirror is mounted on top of your ordinary side mirrors . It provides a secondary angle that can be individually adjusted from conventional side mirrors. The auxiliary mirror assures you safer travel. You can see much better as all blind spots are eliminated. Parallel parking has never been easier. Auxilary Wide-Angle Side-View Mirror. Specifications: single loaded Size: wide diameter 60MM, long diameter 110MM Radians (SR): 100 Features: Up and down adjustment Installation: Screw Mount