Patch Fitting (Less Fitting) will allow you to use the same fitting for either top or bottom by simply installing the appropriate insert. Glass Fabrication Required: One Corner Notch Includes: High Density Cast Body Cover Plates (finish of your choice) Gaskets for 3/8" or 1/2" (10 or 12 mm) Template and Instructions Product Warning: These fittings are not for use with Laminated Glass. The following guidelines are to be used when making a 1/2" glass door using this hardware: Maximum Height: 102" (2.59 m) Maximum Height: 176 Lbs. (80 kg) Maximum Width: 42" (1.09 m) If the door exceeds any of these limitations, full door rails should be used. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.