Faithfull Rubbing Brick Fluted 200 x 50 x 50mmManufactured from hard silicon carbide abrasive, rubbing bricks are used for heavy duty applications such as rubbing floors, cleaning and scouring castings, rubbing down concrete, and removing mould marks. Available in a plain or fluted version. Most commonly used to clean or dress floor tiles and concrete floors. Type: Fluted Size: 200 x 50 x 50mm (8 x 2 x 2in)