The Glass Master Pro Glass and Surface Cleaner make the tedious job of cleaning glass easy! A long 14' wand and pivot-able head allows you to clean the hard to reach areas of interior glass and access the tightest areas. Reduce fatigue and make glass cleaning fun! The Glass Master Pro comes with three changeable bonnets to gently clean glass and any other smooth surface: A Microfiber bonnet for cleaning glass to a streak free shine. A terry bonnet for heavy buildup. A nylon mesh bonnet for sticky contaminates.