34454 - safety knife SECUPRO MARTEGO No. 122001 - MARTOR knife with robust handle. Can be used for cuts requiring the application of extra force. Has automatic blade retraction and blade lock. For right and left handers. Blade has four sharp edges - only turn over the blade. Measurements (L x W x H): 155 x 18 x 48.5 mm. Weight: 105 g. Cutting depth: 9 mm. Basic material: Aluminium.