DIYSELF 8 Pack Box Cutters, Premium Utility Knife, Box Cutter Retractable Heavy Duty, Box Opener, Razor Blades Utility Knife for Cardboard and Boxes

• What You Will Get: Utility knives that are black, blue, green, orange, pink, red, silver, and yellow come in a beautiful box. The aluminum alloy surfaced an exquisite shell, a great gift for everyone. Retractable Design: Push the slider to change the length of the blade. When you release the slider, it will automatically lock the blade position. And you can replace the blades with a screwdriver. Portable: Our box cutter is compact, measuring 5.9''*1.2'', and weighing only 1.92 ounces. It's easy to carry around as a utility knife and features a lanyard hole in the tail for wall hanging. Sharp Blades: The razor blade is made of SK5 steel, which has high hardness and wear resistance. The tip of the blade pushed out from the shell is 60°, making the cutting smooth. If you need to replace the blade, just unscrew the screw in the middle of the razor knife. Multi-Purpose: The utility knife blades are made of SK5 steel, which is ultra-sharp and can be used to cut various materials, such as cardboard, boxes, cartons, plastic, foam, tape, and leather.