34425 - safety knife with a trapezoid blade SECUNORM GENIAL No. 04152 - MARTOR knife with a curved slider and an ergonomic shape (sits firmly and safely in a gloved hand). For right and left handers. Blade has two sharp edges - only turn over the blade. Measurements (L x W x H): 148 x 24 x 41 mm. Weight: 116 g. Cutting depth: 14.5 mm. Basic material: Aluminium.