Westcott Full-Size Safety Cutter Offers A Safer, More Dependable Box Opening Solution. It'S Engineered To Provide Consistent Cutting Performance Across Mass Packaging Materials. Replaceable Ceramic Blades Last Longer Than Steel To Provide A Long-Term Solution. Strong, Light-Weight Plastic Body Provides Durability And Comfortable Use. For Safety, Each Box Opener Is Auto-Retractable To Prevent Injuries. It'S Perfect For Use In The Home, Garage, Warehouse And More.