Fellowes Neutron Trimmer (5410002) To ensure user safety, the Fellowes Neutron has an enclosed SafeCut stainless steel rotary blade that cuts up to 10 sheets (20lb paper) at one time. Convenient SafeCut blade cartridges are interchangeable for increased design flexibility. Base includes unique integrated SafeCut cartridge storage compartment. Variable paper clamp ensures cutting precision. Carry handle for portable ease. Enclosed SafeCut stainless steel rotary blade ensures user safety Carry handle for portable ease