Adjustable Convex 2-inch Blind Spot Mirrors - Pair With our 2" adjustable blind spot mirror you'll find it easier and safer to change lanes, merge and exit freeways. Stick-on application installs in seconds, and can be adjusted any time after installation to provide you the best, safest view possible from any seating position. The convex surface provides a clear view of the lane beside and behind you, allowing safer riding with less time glancing over your shoulder and taking your eyes off the road ahead.