The Excel 4 Pattern Shaping File is a robust and sturdy steel file made for deburring and shaping a variety of materials. With a 90° edge for saw sharpening and other detailed tasks, it is well-suited for enlarging holes as well as smoothing curved surfaces. Equipped with a square, round, half-round, equaling, knife and flat file, this 8in/20.3cm tool makes quick work of material removal. Its size and design ensure a secure grip during use.