Martor 121001.02 Easysafe Polycarbonate Blade Safety Cutter Sack OpenerProduct features Concealed blade for user and product safety Easily cuts shrink wrap, strapping, banding, box tape and single layers of film or paper Also cuts single and multi wall bags It is made of paper or poly liner It is made of polycarbonate plastic Easy, tool free blade change Product description Martor Easysafe features a patented cutting head design allowing for easy initiation of the cut while maintaining blade contact with the material,