NEEDLE FILES ARE IDEAL FOR SMALL PRECISION FILING PROJECTS AND THIS 6 PIECE SET INCLUDES A FLAT PARALLEL FILE, A FLAT TAPERED FILE, A HALF ROUND FILE, A ROUND FILE, A SQUARE FILE AND A TRIANGLE FILE TO MEET A VARIETY OF NEEDS. NEEDLE FILES FOR SMALL PRECISION FILING PROJECTS SMOOTH PATTERN FOR LIGHT REMOVAL OF MATERIAL ALL FILES ARE 4″ LONG