SECUMAX BLADE NO. 3550 from MARTOR is a high-quality blade head made of steel and plastic. It is very sharp and has two cutting edges that can be used one after the other for a long service life. The blade is 38.9 mm long, 23.86 mm wide and 0.30 mm thick. The blade can be used in the following MARTOR knives: the SECUMAX 350.