This set includes 20 drill cleaning attachments and buffer polishing accessories, such as medium drill power scrubber brushes, scouring pads, sponge polishing pads, white wool buffer pads, backer, and extension rod. The set is versatile and can be used for cleaning various surfaces like bathtub, grout, upholstery, kitchen appliances, and car detailing. Please ensure compatibility with your drill before purchasing to avoid any issues.