Exclusive brush easily cleans up messes from wet or dry spills. Scrub heavy tile, grout or even rough concrete surfaces clean. Can be used as an agitator for stubborn spots and its built in one-piece squeegee cleans up wet surfaces quickly. Unique electrostatic pull-broom action will pick up light flyaway debris from carpets, rugs, or bare floors. Made of rubber-like material. Resists most chemicals and withstands temperatures up to 212° F. Threads are 3/4-5 ACME. The standard thread form in the US.