NT Cutter 18mm Heavy-Duty Hook Blades 3-Blade/Pack 1 Pack -BSL-21P-

NT hook-type blades especially made for SL-3P, Heavy-duty self-retracting safety knife. These heavy-duty blades can be used in most 18mm knives, except for the cartridge style knives. Hook blades are mostly used for cutting plastic straps, ropes and packing tape when opening packages and cartons. 3 hook-style refill blades per set, packed in a protective plastic container with a convenient hanging hole. These professional blades are made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. 3 carbon steel blades per pack. Good for Industrial application, warehouses, factories, etc.. Made in Japan.