HSM Cutline T-Series T3310 Rotary Paper Trimmer,  Cuts Up to 10 Sheets 13 cutting length; cuts up to 10 documents/sheets of paper Self-sharpening round blade made of hardened steel Solid base plate with scaling in centimeters/inches, angles, and conventional formats Easy-to-handle, automatic integrated clamping at the cutting edge Handle ergonomically designed for optimal force distribution