AL 0780-497 20" Pad Driver with 2 Metal Mounting Lugs for American Lincoln 7730-40, 7740-40 and Smart 40 Scrubbers. Tufts of polypropylene set in plastic block holds 20" floor pads to the driver. Fits SC7730, 7740 and Smart 40 40" Models. Also fits Nilfisk CR 1000 sweeper/scrubbers (will not fit CR 1000XL, use AL 0780-434, 16" pad driver). 2 metal mounting lugs placed on a 5" center hole. Includes Center-Lok pad centering device. 2 pad drivers required. Replaces American-Lincoln 0780-497. Our Part Number AL 0780-497