Floor Sweep Head, Tool Type Broom Head, Handle Connection Type Threaded, For Surface Texture Multi-Surface, Sweep Face 18 in, Bristle Length 2 3/8 in, Bristle Material Polypropylene, Bristle Color Blue, Block Material Plastic, Bristle Firmness Medium/Stiff Combination, Connection Thread Type Standard, Yes, Block Width 18 in, Acid Yes, Color Coding System No