Jumbo Pumie Scouring Brick, 5.75 in. is designed for the toughest cleaning jobs, ing powerful abrasive action when used with water or your preferred cleaning liquid. This large pumice brick is excellent for removing baked-on food, grease, and carbon build-ups in ovens and grills, as well as rust and grime on machinery and tools. It effectively tackles scale and rust on metal surfaces, paint on tile, masonry, and concrete, and even lime and algae on ornamental and swimming pools. Additionally, it removes mineral deposits around faucets and drains. Made from non-toxic pumice, this jumbo-sized scouring brick measures 5-3/4 inches long by 2-3/4 inches wide and high, making it i for large projects and heavy-duty cleaning. Model Number: JPS-12