The most versatile steel file set on the market 19 piece steel file set - 4 large files of varying shapes: flat file for grinding and smoothing planes; half round file for grinding circular arc surfaces; triangular file for polishing corners and edges; and a round file for inner circular curved surfaces. - 14 smaller files for higher precision polishing and shaping of small objects - 1 copper wire brush for removing debris - 1 heavy-duty storage bag