What will you get 2*Bike Mirror 2*Hexagon Wrench(5mm) 2*Hexagon Wrench(4mm) Note: The anti-scratch protective film prevents the lens from being scratched during transportation. Please remove the surface protective film BEFORE USE, so that it will be clearer and safer when riding. Advantages Sturdy, Safe, Free your hand Fits both right and left Convex mirror design, wider field of view High-quality Material General-purpose bicycle convex rearview mirror Easy installation & Won't bumpsIt is suitable for bicycle handlebars with inner diameter of 17.4mm -22mmIdeal for Most of the Bikes, such as road bikes, mountain bikes, E-bikes, hybrid bikes, city bikes, etc.