Minimize your effort and maximize the results with an AC electric buffer. These random orbital buffers feature a dynamic counterweight design that simulates hand polishing while reducing vibration. Soft foam pads follow the contours and curves of your boat to get the job done. Each includes synthetic wool and terrycloth bonnets. Eight-Piece Bonnet Sets (sold separately) include four application, two terrycloth, one polishing plus one premium microfiber polishing bonnet. 120V AC. One-year limited warranty.