Similar to the original OLFA Silver Knife with the added advantage of a auto-lock blade mechanism. Ultra-slim design. This stainless steel knife is perfect for use in moist environments where rust is a concern. Features a built-in pocket clip/blade snapper and a stainless steel blade channel for blade security. For right- and left-handed use. Easy, tool-free blade change. This knife cuts film up to 14 mil. Uses OLFA AB, ABB and ABS 9mm Replacement Blades.