The utility razor scraper is ideal for removing paint and other residue from glass, tile, walls, floors, metal and other smooth surfaces. The durable polypropylene handle is comfortable and long-lasting. Remove the end cap to store the extra blades within the handle. Uses standard three notch utility knife blades or butterfly blades. Scraper comes with one of each blade stored in the handle. The butterfly blade has a sharp edge for glass and tile scraping and a blunted edge for metal scraping. To change blade, press down on patented push button to release and remove the blade.