Premium Leather roughing tool is a complete upgrade from our standard version, from the handle to the grooves. This premium roughing tool is made out of 3CR13 stainless steel, heat treated to HRC52~54 for increased longevity. Deep filing grooves can take on any roughing task effortlessly. Cocobolo handle with brass accent really brings out the unique character and aesthetic. Brass brush is recommended for cleaning the tip of this tool.