Mayhew's ProGrip Carbon Scrapers are versitile and dependable. Used for a multitude of applications, such as removing gaskets, rust, paint, carbon buildup, and floor tile with blades ground for a sharp edge that can be resharpened after heavy use to return the cutting edge to its original sharpness. With their patented, two-composite ergonomically designed handle, you are ensured a comfortable and secure grip for ultra effectiveness.