PB 3323799 20" Powerdrive Style Pad Driver Assembly for Minuteman / Powerboss TC/1, VS1000 Scrubbers. Short trim polypropylene filament in conjunction with a plastic clip-on pad centering device, securely hold your floor pad to your scrubber. Includes new style molded "powerdrive" clutch plate set up with attachment hardware. Fits many Minuteman and Power Boss Scrubbers including TC/1 and VS1000. Most machines require two pad drivers per unit. Priced each. Replaces Minuteman / Power Boss 3323799, 323799