Unger replacement scraper blades. 3 packs of 5. Total of 15 blades. Check out my other listing for Unger window and glass scraper. Compatible with Unger?s Scraper : These razor blades are designed to work with Unger?s 4? Window Glass Scraper tool (Model # 970260, sold separately). Stuck-On Messes: Unger?s professional scraper tool blades quickly and easily remove hard-to-clean residue from windows, glass, and more. Durable Long-Lasting Blades: These replacement glass scraper blades have carbon coating for reduced wear and corrosion resistance, for a longer lasting blade. Reversible Scraper Blade: The scraper blades are sharp on both sides for extended use. Simply remove, rotate, and keep working Convenient Storage and Supply: Each package includes 5 double-sided glass scraper replacement blades as well as a carrying case for simple storage and protection when not in use.