Sold as a pack of 6.Olfa GSB-1/S Spare Blades for the Olfa GSR-1High-quality Japanese carbon tool Stainless Steel Glass Scraper Blades are rust and corrosion resistant, use them wet or dry easy to wipe clean. Blade Specification:120mm Blade Length18mm Blade Width0.25mm Blade Thickness (Double edge)The keyed blade locks into the blade holding plate to avoid movement during tough scraping appli..