The Carl Green Machine Heavy-Duty Rotary Trimmer is tough enough to cut through up to 36 sheets of standard 20 lb paper yet easy on the environment because it’s made from 100% recycled materials. It also makes short work of cardstock plastic sheeting photographs mat board and foamboard. - Carl Heavy Duty Trimmer - Perforating and Scoring Blade Set of 2Carl Dc-series Pro Rotary Trimmer K-M31 BLADE SET -