Accesses corners, floor crevices and small areas between appliances. Flagged filament sweeps fine debris, for light industrial use. Use lobby brooms with dust pans (sold separately) for continuous cleaning of convention centers, malls and theme parks. Threads on this broom head are 3/4-5 ACME, the standard thread form in the U.S. Application: Floors; Bristle Material: Plastic; Bristle Length: 4"; Brush Length: 9".