Unger floor scraper blades, carbon steel, 4″, 10 blades/pack, 1 pack – rb10c gum, adhesive and dirt can dull floor scraper blades quickly. The unger 4″ replacement blades for light duty scraper are .036″ thick, 4″ wide, stainless steel, double-edge razor blade that replaces worn out or pitted blades. Use the sharp edge on hard surfaces, such as vinyl and resilient tile floors, and flat smooth surfaces. Blunt side allows for scraping of delicate, uneven floors. Comes in packs of 10 in a convenient to store box. use these blades as a replacement in the following scraper: unger 4″ light duty floor scraper – lh12c (global #b623358)