Replacement blades are necessary for the box cutter knives. High-grade blades not just enhance productivity but also lower costs. Easy Cut 5000/6000 replacement box cutter safety blades are made from the finest quality steel. These blades last up to three times longer than the regular blades. A box of Easy-Cut 5000/6000 Blades contains exclusively designed blades having a patented radius tip, which helps in preventing product damage and injury during box cutting. The blades are resilient, strong, and extremely sharp. They don’t chip and give a sharp edge to cut up to 5000 feet. They quickly and neatly slice through the cardboard boxes for efficient and seamless opening.