General description Engineers Round Files with a diameter that tapers towards the point, designed for versatility in working with both internal and external concave surfaces. Technical specifications Overall Length: 250mm File Thickness: 8.5mm Material Application: Non Ferrous Metals, Ferrous Metals Number of Pieces: 1 Product Type: Engineers File Type: Round Type of Cut: Smooth Standards Met: Manufactured to BS 498: 1990, Manufactured to American Federal Standard GGG-F-325B Compatibility and accessories No handle included Other information