The Extra Strong Titan Scraper with protective cap is ideal for scraping labels and decals from glass, windshields, etc. Comfortable rubber handle for maximum grip. Accepts all standard single steel and plastic razor blades. The Safe Scrape Poly Carbonate are extra strong for repeated use and durability. Double Edged Plastic Blades are ideal tools for scraping away unwanted materials without the worry of damaging the surface.Sharp Edged , Plastic Razor Blades can be used on a variety of surfaces and detailing jobs. These double-edge blades are completely safe on most surface, but are much sharper than most plastic blades. The blades are used for scraping, cleaning and peeling debris from most surfaces and where a metal blade isnt appropriate. Durable and Safe. Blue blades. 42 Edges Per Pack. 42 Usable Edges