This is an aggressive nylon brass mix brush for general scrubbing or stripping finishes from cement only. All tynex scrub brushes must be run in a wet environment. The tynex bristles are secured to a plastic block, and are 1.5 inches long, giving you adequate length to scrub in high and low spots of all areas on your floor. A great brush for stripping your cement floors. Take a look at our resource center for tips on how to properly strip your cement floor.