Red Devil 3271 Razor Blade, Single Edge Sharp-cutting blade fits all standard scrapers. Long-wearing blade provides consistent high quality and longer service life. Red Devil 3271 Razor Blade, Single Edge Features: Super sharp, fits all single-edge razor blade scrapers and cutters Fits Window scraper 3223 (3673-5603) 5 blades per pack, 10 packs in dispenser Sold by dispenser only