This grout removal tool is specifically made to clean out or remove old dirty pitted grout so you can put new grout in for a cleaner look. Specially angled handle, and the specially designed blades make this otherwise difficult job much easier. The saw comes with an already installed blade and 1 extra blades. The blade attaches to the saw with 2 screws, and can be easily replaced. Blades have a gritty surface to help you scrup away the old grout thoroughly. Measures 8-inches long, easy to grip for scrubbing action, specially angled handle can helps get into the grout area, complete with 2 interchangeable blades to keep going until the work is completed. Affordable and portable, with remarkable results. The preferred tool among tile professionals, Long-lasting carbide edged blades, Durable Rub Form soft grip handle