Ideal for medium to coarse sweeping for both commercial and industrial applications Ideal for semi-smooth surface textures, like wood and concrete Comfortably-shaped lacquered hardwood block, female thread connection type Polystyrene border with black polypropylene center fill material is chemical-resistant and can withstand temperatures of up to 225F Bristle length 3 in, block length 18 in, block width 2-1/2 in