From the ManufacturerThe Stanley 28-100 1-3/16-inch High Visibility Mini-Razor Blade Scraper is great for scraping in hard-to-reach places. High-visibility yellow makes it easy to find in your toolbox. Lightweight and economical plastic razor blade scraper. Blade reverses for safe storage. Uses standard, single-edge razor blade. Product DescriptionGreat for scraping in hard to reach places. High visibility yellow makes it easy to find in your toolbox. Lightweight and economical plastic razor blade scraper. Blade reverses for safe storage. Uses standard, single edge razor blade.