Retractable Box Cutter | utility knife | Heavy Duty Box Cutter Knives Two Pack | Cardboard Cutter | Box OpenerRetractable Box Cutter utility knife Heavy Duty Box Cutter Knives Two Pack Cardboard Cutter Box Opener Cut through any surface comfortably no matter the grip strength! Stay safe by fully retracting the blade of your new box cutter when you are finished using it. Press the red button next to the blade to easily release, remove and replace the steel blades. Sharp, premium stainless steel blades store conveniently in your utility knife's hidden storage