A blade case having a holding means, a bottom wall, a side wall, and a cover means. The holding means and the cover means are connected to each other by a hinge for opening and closing the blade case. A removable blade support means is provided on the center portion of a top surface of the bottom wall of the holding means. A blade pressing down means is provided on the cover means and presses down the blade placed on the blade supporting portion when the blade case is closed. Non-circular protrusions and depressions can also be located on the outside of the blade case to facilitate stacking.