Martor Knives & Blades Retractable knife 621734 - Martor 625016.02, The Martor 625016.02 Premium security meter features a stainless trapezoidal blade, designed for working in corrosive environments. Manufactured by Martor, the SECUPRO 625 retractable knife offers enhanced safety and durability. It is typically used in industrial or maintenance settings requiring a reliable cutting tool. Martor 625016.02 SECUPRO 625 Premium Security Meter with Stainless Blade