Extra Heavy-Duty Utility Knives are built to cut through the toughest materials. Solidly-built handles offer secure handling and effective cutting performance. The OLFA 25mm Extra Heavy-Duty Utility Knife with Anti-Slip Grip features a ratchet-wheel blade lock for blade security and unlimited depth positioning. The rubber inset adds grip control in damp or humid conditions. The rugged, high-impact ABS plastic handle tackles the toughest jobsite conditions. Pre-loaded with a general purpose, 25mm HB Silver Extra Heavy-Duty Blade – use this utility knife for any extra heavy-duty industrial applications such as nylon, rope, high-pressure laminates, flexible plastics, expansion board, gasket materials and more.