OLFA "Silver" utility knife is made of polished stainless steel. This pen-style utility knife is extremely thin and convenient to carry. Perfect for use in moist environments where rust is a concern. Snap-off cutter includes a slide lock, built-in pocket clip/blade snapper and slim design making it a popular choice for industrial professionals. Stainless steel blade channel that firmly secures the blade. Ideal for window tinting and paper hanging. Includes 1 ABS blade. Uses AB10B, AB10SB, AB50B, AB50S, A1160B blades. OLFA lifetime warranty. OLFA SVR-1 Silver stainless steel utility knives are quality-made in Japan.