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Simonds 13 Piece All Purpose Hand File Set with Handles, American Pattern: Machinist File Set: Industrial & Scientific. Simonds 13 Piece All Purpose Hand File Set with Handles, American Pattern: Machinist File Set: Industrial & Scientific. The 13 piece file set is an assortment of files in a variety of shapes that have handles and American pattern teeth for a range of home or shop uses, with a file card for maintenance of file teeth. The American pattern teeth are for non-precision material removal. All files have a wood handle for secure gripping (sold separately) except for the all-purpose flat file, which has a paddle-shaped forged handle. The set comes in a cloth roll pouch for storage.。Hand files are used to remove material and smooth and shape workpieces. They have forward-facing cutting teeth and cut when pushed over either a stationary or rotating workpiece. Single-cut teeth are single rows cut diagonally across the width of the file. Double-cut teeth have two sets of rows cut in opposite directions. American pattern files have three coarseness grades. Coarse, also known as bastard cut, is suitable for efficient, heavy material removal where finish is not a concern. Medium, also known as second cut, offers average material removal and finish quality. Fine, also known as smooth cut, provides the smoothest finish. Swiss pattern files have eight coarseness grades, from 00 (coarse), 0 (medium), and 1 to (fine to finest), offering a smoother finish than equivalent American pattern files. For Swiss pattern files the length of the tool is the length of the blade, not counting the tang, which is the pointed end fitted for a handle; for American pattern files the length of the tool is its entire length, including the tang.。 International manufactures tools for cutting and finishing. The company, founded in 1832, is headquartered in Fitchburg, MA.。What's in the Box?Flat file with handle, 10", coarse (bastard)。Flat file with handle, 10", fine coarseness。Mill file with handle, 10", coarse (bastard)。Mill file with handle, 10", fine coarseness。Half-round file with handle, 10" coarse (bastard)。Half-round file with handle, 10" fine coarseness。Round file with handle, 10", coarse (bastard)。Round file with handle, 10", fine coarseness。Square file with handle, 10", medium coarseness。Flat file for aluminum with handle, 10"。All-purpose flat file with handle, 10", coarse (bastard)。Triangular (three-square) file, 8", medium coarseness。File card。Cloth storage pouch。 。 。 。