Coarse Needle Files, 10 piece Set. 5mm x 180mm (3/16 inch wide x 7 1/4 inches long). Working length is about 3 1/2 inches. Coarse Cut with 50 cuts per inch. Includes: Equaling, Half Round, Three Square, Square Round, Barrete, Knife, Crossing, Oval and Flat needle files. Made of Bearing Steel with a hardness of at least 62 HRC. Comes with storage pouch.