This is a Zona Tool Fine Kerf Razor Saw. Fine Kerf Razor Saw has a blade with .010in kerf, 32TPI, 6-1/2in. length, 1-3/16in. depth, and steel back for stability. This saw is used for pull stroke cuts in balsa, other wood, plastic, copper and brass, and leaves crisp, smooth edges.
NOTE: Blade is not interchangeable or replaceable.