Magnum Pocket Knife Craftsman 1 The cutting knife has a corrosion-resistant blade made of 440A stainless steel. An excellent choice for the blue man’s pocket or tool box. Classic backlock knife with universal blade shape, strong blade and Pakka wood formwork. With catch strap eyelet. Blade: 7.5 cm, total: 17.8 cm. Weight: 132 g.