The MARTOR 08152.02 Safety Knife is a great tool for cutting through cardboard, packing materials and other products. It is the perfect choice for warehouse workers and delivery personnel. This straight safety knife has a self-retracting blade that cuts through tough materials with ease. Its zinc handle is corrosion resistant and provides a firm grip even when wet or oily. With its 5 1/2 in length, this gray utility knife is lightweight and easy to use. The carbon steel blade ensures that you get a clean cut every time you use it, while the tether capablity allows you to tether it when not in use. The MARTOR 08152.02 Safety Knife gives you the control you need to get your job done efficiently.