General description Designed for effective groove, rectangular hole, and internal corner filing, the Kennedy 14" (350MM) Square Second Engineers File features parallel edges that taper towards the point. This file is preferable to a flat file due to its heavier section, providing enhanced durability and efficiency. Technical specifications Overall Length: 350mm Overall Width: 13.5mm File Thickness: 9.5mm Material Application: Ferrous Metals, Non-Ferrous Metals Product Type: Engineers File Type: Square Type of Cut: Second Standards Met: Manufactured to BS 498: 1990 and American Federal Standard GGG-F-325b Other information