These Fine Kerf saws are good all purpose Zona saws for model making and wood working. They have a cutting depth of 1 3/16". They will cut balsa and other wood, plastic, copper or brass and leave a smooth edge. The cutting depth makes it suitable for cutting most shapes and thicknesses. Cuts on the pull stroke. This blade is.010" thick x 6 1/2" long with 42 teeth per inch.