Eff-cientt Set of 2 Blind Spot Mirror For Cars Fully Adjustable Ball and Swivel Lane Change Mirrors for All Vehicles 2 Pieces Set, For left and right side mirror. Mirror quickly and easily attaches to the existing mirror. Perfect for New Drivers, Large Trucks, Transportation Vehicle, AND even outdoor vehicles!! With blind spot mirrors drivers can check their mirrors with confidence ensure that they have covered any potential blind spots and proceed to their destination. This new edition will reduce neck strain when driving, reduce glare for safe night driving, reduces side angle when merging into heavy traffic!! The exclusive 360 fully adjustable ball and swivel provides maximum viewing flexibility.