Pneumatic corner cutter Electric round corner cutter 1:R2-R8 seven knives for changing 2,max thickness :80mm electric round corner Cutter Performance Characteristics Knife set with R2-R8-senven knives, some as long as the rotation angle, that is needed to replace the knife-type. Stepped electrical switch, knife-under-Cutaway, easy to operate and effort efficient .,the efficiency of high-quality ...