The EK Paper Trimmer glides smoothly along-slicing paper as it goes. Accurate and versatile. Use under adult supervision. Mini Rotary 9″- Features an elbow that sets position for 5″ paper size, extend a ruler to swing out for larger projects up to 9″, magnetic lock to hold the cutting bar in place, rotary blade will not cut paper unless pushed down and gripper feet to ensure steady work. Light enough to travel and sturdy enough for big jobs.