Martor Knives & Blades Retractable knife 621748 - Martor 50000110.02, Produced by Martor, the SECUNORM 500 is a retractable knife designed for safety and efficiency. It features a robust design ideal for cutting various materials. This tool is commonly used in packaging, warehousing, and other industrial settings. Martor 50000110.02 SECUNORM 500 Safety Cutter Aluminium Handle Dual-Sided