34460 - safety knife with a trapezoid blade - thickness 0.63 mm SECUPRO MEGASAFE No. 116001 - MARTOR knife with a large blade extension - 20 mm. Has automatic blade retraction. For right and left handers - has double-sided slider. Blade has two sharp edges - only turn over the blade. Measurements (L x W x H): 153 x 26 x 38 mm. Weight: 140 g. Cutting depth: 20.1 mm. Basic material: Aluminium.