34412 - utility knife ARGENTAX JUMBO No. 67179 - MARTOR very stable knife equipped with 0.50 mm strong and 18 mm wide blade. You can vary the blade extension using the locking screw depending on the material and use. Measurements (L x W x H): 170 x 18 x 34 mm. Weight: 135 g. Cutting depth: 19 mm. Basic material: Aluminium.