Use our Handy Tek Yellow Utility Knife / Box Cutter to cut a variety of materials with ease. These heavy-duty utility knives are retractable, allowing you to conveniently adjust the length of the blade for your cutting needs. Designed with a locking mechanism, these box cutters securely lock the blade into place to ensure you safely and cleanly cut through thick paper, plastic, or cardboard. These retractable knives feature a razor-sharp blade that eliminates the need to use a lot of force when cutting through your work materials. Featuring a yellow finish, these razor-sharp knives are easy to identify in your toolbox. Measuring 6.75 inches long by 1.8 inches wide, these utility box cutters have an 18-millimeter blade. Plus, they are ideal for storing in your tool belt or pocket. Shipped in a 4 count box.