Long, coarse bristled brush head effectively pushes litter and debris with ease to clean more efficiently. Built with one tapered and one threaded handle hole that enable front-to-back orientation changes for more even wear. For use with threaded 1.13-inch diameter handles, which are sold separately. 16” wide hardwood block brush for maximum coverage and durability.Ideal for hard, floor surfaces, indoors or outdoors. Hardwood Block-Stiff Polypropylene Bristles. Bristle Material: Polypropylene; Brush Length: 16"; Bristle Length: 6.25"; Bristle Color: Brown.