Safety knife with concealed blade, especially for cutting foil and paper.  The concealed blade provides reliable protection to you and your goods. With its four sharp edges, it can be rotated four times. Ergonomic handle. Lockable blade - with a specially shaped key, you can lock it, and thereby prohibit blade change. Tape splitter - small metal plate on the top side of the Secumax Easysafe. Set the plate against the tape of a taped box, apply enough pressure to piece the tape, and slice! Installed blade: Industrial Blade No. 45.  For more information on the compatible blade click 468908