This is a great little set of exceptionally crafted needle files. They are designed for detail work on a wide range of materials. Each file is 6 1/4 inches long, made from high carbon steel, and is equipped with its own easy to grip ABS/nylon handle. File shapes include; Barrette, Equaling, Flat, Marking, Joint, Knife, Half-round, Round, Slitting, Square, 3-square, and Crossing . The set comes in a flexible plastic holding case with individual pockets for each file.