Cutter Martor Secumax 145. Cutting depth 3.8mm. The SECUMAX 145 is our small, fine safety knife for everyday cutting work. Thanks to the glass fiber reinforced plastic handle and the 0.5 mm thick blade, this knife is still very robust. At the same time, it is extremely light with a weight of only 12 g. Our disposable knife can handle single-layer cardboard, foil or tape without any problems. Both cutting edges are shielded, so you and your fingers are not in danger. Safely hidden blade – the highest degree of safety The blade is safely hidden from goods and hands. This gives you the highest degree of safety against cuts and damaged goods.