This 13-inch tampico bristle brush is made of soft natural tampico fibers that are safe to use for polishing your floors. These soft tampico bristles allow you to lightly buff or polish floors like marble, travertine, terrazzo, or other decorative floors. The 11-inch block comes with a clutch plate that allows it to be used with many . There are many other types of brushes for many different sizes of floor buffers, so be sure to check out to find the right brush for your floor buffer and floors.