FOR HIGHEST DEMANDS. A Cutting tool in which function and design go hand in hand? Meet the SECUPRO MARTEGO, our prize winning squeeze-grip safety knife with fully automatic blade retraction. Get used to the word “very” in its presence: it's very safe, very robust, very ergonomic, very versatile, and made to very high standards. This knife is not only suitable for both right and left-handed users, but also for those with larger hands.