Quantity：30 piece 10 shape of Medium drill power scrubber brushes. 2inch X3（Black,White，Yellow） 3.5inch X2（Red,Yellow） 4inch X4 (Yellow,Black,White,Green) 5inch X1 (Red) Material：Nylon bristles stiffness Clean your bathtub, grout, upholstery, bathroom surface, floor, tile, shower, toilet and carpet etc 15 piece Scouring pads (different stiffnesses) and 2 piece Scrub Sponge Green Scouring pads X4 Red Scouring Pads X4 Orange Scouring Pads X4 Grey Scouring Pads X4 Orange Sponge X2 The green pads are a bit stiffer and thicker, the red one is stiffer than the gray one, and the gray one is stiffer than the orange one kitchen cleaning suck like Oven Stove Cooktop Sink Cast Iron Skillet Frying Pan Pots and Pans etc 4 inch backer X1 Straight Extended Reach Attachment X1 length：150mm * Cordless drill not included.