The Lassco Wizer CR-50 Manual Corner Cutter saves time and money. The Lassco Wizer CR-50 Manual Corner Cutter is specifically designed to handle both paper and plastic products. Conveniently located foot pedal makes for fast and economical corner cutting. The Cr-50 model accepts standard, special and large size cutting units , one standard size cutting unit is included. The Lassco Wizer CR-20 Corner Cutter includes the new cornerounder right angle push block, which makes rounding the corners on smaller product simple and easy.