THE BLADE IN THIS OLFA KNIFE IS CONCEALED GIVING YOU CONTINUAL BLADE EXPOSURE AS WELL AS ENHANCED SAFETY. THE KNIFE ALSO FEATURES A CUTTING CHANNEL THAT HOLDS THE MATERIAL IN PLACE AND BUILDS FORCE FOR GREATER CUTTING EASE. USE THIS KNIFE TO LIGHT TO HEAVY-DUTY MATERIALS SUCH AS CARDBOARD PACKAGING FILM TRIMMINGS SHRINK WRAP AND STRAPPING. (SK-10 #1096854)GOOD FOR USE IN COMMERCIAL INDUSTRIAL RETAIL AND DISTRIBUTION FACILITIES. CUTS CORRUGATED AND PACKAGING MATERIALS SHRINK WRAP PLASTIC FILM STRAPPING AND MORE.