FASTPRO Retractable Safety Cutters,Metal Heavy Duty Box Cutter

High-strength carbon steel blades keep sharp for a long time without bending.
Adjustable cutter simply slides open for exact cuts. Blade easily retracts to lock safely within the metal frame when finished using.
The blade with the quick-release button is easy to replace.
The tail of the knife body is designed by hanging rope, which can hang the knife on the wall or knife rest. It's also easy to carry or store in your toolbox.
Slice through cardboard, carpet, drywall, rope, vinyl, leather, flooring. Use for box cutter tool and exact cuts for arts & crafts or hobby.