The Rust-Oleum Zinsser 4" Scraper Refill Blades are designed to fit perfectly with the Zinsser scraper tool, ensuring optimal performance and efficiency. These high-quality blades are made from durable materials, providing a sharp edge for effective scraping of paint, wallpaper, and other surfaces. Easy to replace, these refill blades ensure that your scraper tool remains functional and ready for any project. Ideal for both professionals and DIY enthusiasts, these blades are essential for maintaining your scraping tool and achieving clean, smooth surfaces.