General description The Kennedy 14" (350MM) Three Square Second Engineers File features an equilateral section with 60-degree angles and is tapered towards the point. It is designed for filing acute angles, internal corners, flat filing, clearing out square corners, and for filing HSS tools after machining. Technical specifications Overall Length: 350mm Overall Width: 21.3mm Type: Three Square Type of Cut: Second Material Application: Ferrous Metals, Non-Ferrous Metals Standards Met: Manufactured to BS 498: 1990 and American Federal Standard GGG-F-325b Handle Material: No handle included Other information