When your strongest cleaning chemicals, cleansers and pads fail, the Pumie Heavy-Duty Scouring Stick will defeat your grimy household surfaces!safe on porcelain fixtures and ceramic tiles, the original gray pumice scouring stick makes cleaning thick build-up and stains a breeze. Contractors, mechanics, pool and food services, and maintenance trades depend on the abrasive power of Pumie to remove rust, grase, mineral deposits, lime scale, baked-on foods, stains and other substances from most hard surfaces. This mighty pumice stick will remove unsightly toilet bowl rings, stubborn stains in your tubs and showers, rock-hard mineral deposits around faucets and drains, scale and rust on metal work and piping, lime and algae deposits in swimming pools, rust and grime on workshop and garden tools and unwanted paint on tile, masonry and concrete surfaces. This scouring stick is easy to use and will have your home and tools squeaky clean in no time! First, wet the stick. Then, rub the edge of the stick on the surface you wish to clean using back and forth strokes. The paste buildup helps to clean and polish. Wash cleaned surface of residue. Rinse under running water to clean and store in a dry place afterwards. Use the Pumie Heavy-Duty Scouring Stick for the clean you need. COLOR: Gray. DIMENSIONS: 5.3x1.3x0.8 Inches.