This is the Cadillac of fan tools. With 6 1/2 inches long and 2 inches wide of cleaning surface the Fan Vac can clean your ceiling fan blades in one pass! Most ceiling fan blades are around 6 inches in diameter. With the patented guides to keep it steady and bristles to sweep clean you blades you save time and effort. Takes care of dust, dirt, and grime. Works great on vertical blinds too!