Great design. Heavy Duty Robust construction, Soft 3 rows of custom purpose material specifically for use with concrete. The finishing brush is a hard-wearing brush for use in heavy masonry acidic-type environments and is ideal for wet areas. Works well with chemicals. Brush supplied with extension ferrule to suit all telescopic poles and side hole for locking pins Application- Concrete process work in finishing off curing concrete. Ideal in wet or dry area scrubbing.