The Tomahawk Power 8 in. Tungsten Carbide Teeth Blade Drum Kit for Concrete Scarifier is perfect for sidewalk trip hazard repair, floor cleaning and preparation, as well as, concrete, coating, traffic line, and marking removal. With the Tomahawk TSCAR-8H easily scarify, level, and smooth approximately 350-500 sq. ft. per hour of concrete surface at a depth per pass of 1/8 in. TSCAR-8H Concrete Scarifier sold separately. It comes with a 1 year warranty for purchase assurance.