Rotary Cutters and Rotary Trimmers can be either manual or electric cutters or trimmers that use a rolling cutting blade to cut paper and material. In some models, the cutting blade will cut in both directions of movement. Rotary Cutters and Rotary Trimmers quickly cut paper, plastic, poster boards, mats, plastic, film, mounting boards and more. Rotary Cutters and Rotary Trimmers cut and trim material that is long and very wide. Rotary Cutters and Rotary Trimmers easily cut and trim material that is too large for guillotine cutters and trimmers, stack paper cutters and small manual paper cutters.