Features: This kit contains medium stiffness nylon power brushes that will attach to your favorite cordless drill. Different sizes and shapes of brushes for cleaning around your bathroom surfaces. These nylon bristles will not scratch, perfect for powered scrubbing brake dust on wheels, tile sealants, floor, shower, carpet, glass, leather, toilet and carpet etc, Nylon medium bristles will not damage surfaces of them. Brushes have quarter inch QUICK CHANGE shafts,Cordless drill NOT included Drill NOT include. Specification Type:Drill Scrubber Brush Kit Material: Nylon Color:Yellow Set 1 (3pcs): 2 inch small brush*1, 3.5 inch yellow cone brush*1, 4 inch yellow flat brush*1 Set 2 (8pcs): 2 inch brush*1, 3.5 inch cone brush*1, 4 inch flat brush*1, 5 inch flat brush*2, 5 inch Scrub sponge*1, 5 inch scrubber connector*1, 6 inch reach extension*1 Set 3 (16pcs): 2 inch brush*1, 3.5 inch cone brush*1, 4 inch flat brush*1, 5 inch flat brush*2, Scrubber pads*6, Scrub sponge*3, 5 inch scrubber connector*1, 6 inch reach extension*1 Set 4 (22pcs): 4 different size nylon brushes.2 inch white and black small brush, 3.5 inch yellow cone brush,4 inch yellow and black flat brush, 5 inch red flat brush), 4 different stiffness Scrubber brush( three green hard scrubber pads, three red medium scrubber pads, three gray and three orange soft scrubber pads), 2 pieces scrub sponge, 1 piece corresponding scrubber connector and a 6 inch reach extension (Drill Not Included)