FEATURES: SIX HUNDRED (600): Black Utility Knife Box Cutters. 6.00ins Long. 3.00ins Usable Blade. Retractable Blade. One Hand Thump Slide and Lock. 3/4in Wide Snap Off Blade. 7 Snap off Segments for New Tip. Black Knife End used to Snap Blade. Blade is Replaceable. NOTE: Each order is for SIX HUNDRED (600) knives:Our utility knife cutter is a fantastic tool to have in the home, tool box, or junk drawer. It cuts with a removable razor blade, so the edge is both incredibly sharp and very disposable. Ideal for all of the grunt-work cutting jobs that are too difficult for scissors and too dulling and damaging for a nice pocket knife. Think of it as a lighter version of the box cutter, only stronger and can cut tougher materials. This breakaway snap-off box cutter is always a snap away from a fresh point and a sharp edge. These retractable black utility knife box cutters have a plastic body and 7 segmented snap-off blades to maintain a sharp edge for precision cutting while saving you a lot of time when working on your projects by simply snapping off the blade between uses. And to snap off the blade, just use the removable black end of the cutter. Great for cutting paper, wallpaper, contact paper, cardboard, vinyl, carpet, twine, and other materials. Perfect comfort grip knife to have at home, garage, office, or warehouse, it's the ideal tool to always have handy. No tools are required for blade changes. Blade is also replaceable. To change the blade, simply push the button to the top, pull off the used blade, then push the button back to the bottom, then push up, and the blade will be self-reloaded. The casing is designed with soft TPR material with an ergonomic finish that provides a comfortable grip and reduces fatigue from long-time work. Perfect for daily use, and handcraft tasks. Keep one at the home, office, school, garage, warehouse, or anywhere you need it.