Long lifespan for roughening concrete! The tooth design ensures efficient roughening of concrete surfaces. Do you need a reliable and durable stock plate for roughening stone, concrete, and asphalt surfaces? Then the PRO SDS max-4C steel stock plate is the right choice. It is reinforced with durable steel teeth to provide the necessary stability for your work. The PRO SDS max-4C is ideal for construction workers and renovators who need to prepare surfaces for coating or applying additional materials. This will give you a flat surface with a uniformly roughened texture. Use it with our SDS max shank tool holder to effectively harden surfaces.