BROADEN YOUR HORIZON-large glass mirror with convex lens design, offers you a vision, clearly catch sight of the rear upcoming vehicles.Embedded with a adjustable joint, easy to adjust front&back for the desired visual angle. suitable for all kind of weather condition.which used for hollow objects and solid objects, suitable for most of golf cart.The enlarged dimension design provides you with a field of vision.Each joint can rotate thousands of times after quality control. Rugged Design:cart mirrors are strengthened to make them more compact. In general, it can be rotated more than 3500 times to good durability. Larger Size:To make your driving , we've increased the size ofcart mirrors to make sure that they can offer a vision . So that they are more practical and aesthetically pleasing than most cart mirrors on the market. cart mirror can rotate between 180 degrees in parallel, making it easy to use. And it also gives drivers of different body sizes different view.The first installation tool set is for hollow objects:You need to prepare a flat head screw, a larger iron sheet, and a nut. It's a fixed set of combinations. As the picture showed, first you should put the flat screw through the hole larger iron sheet and the small hole of the mirror holder,and prepare a nut as a tool for next use. Then punch two holes as big as screws with an electric drill or other tool that can drill, next push the flat screw through the hole and take out the nuts prepared. Finally, put the nut into the flat screw and secure it firmly,at this point, the installation is complete . But it is difficult to screw the nut in by hand, so you need the help of pliers. The second installation tool set is for solid objects: You need to prepare a pointed screw and a smaller iron sheet. It's also a fixed set ofcombinations. As the picture showed,You need to put the point screw through the small iron sheet, notice that the smaller iron sheet is in front of the mirror. Not behind. And then drill the pointed screw into the cart holder and hold it firmly. In , the mirror is fixed to the object, and the installation is complete. But you need to check whether the mirror is loose to avoid affecting the driving experience. colour:black Material:PP housing, glass lens, ABS fixture size:18*14cm Package Contents: 2*golf cart mirror 4*flat screws 4*nuts 4*bigger iron sheets 4*pointed screws 4*smaller iron sheets Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.