360 DEGREE ROTATION-Locking on 8 different directions,latch for permanent and temporary stapling. 25 SHEETS CAPACITY-Stapler holds up to 50 staples and offers a 25-sheet stapling capacity. MORE STAPLES STORAGE SPACE-Built-in hidden staples storage compartment on the ,which holds up to 100 staples for quick access anytime. ALIGNMENT SCALE LINES-Built-in scale lines control paper depth,keeping staples perfectly straight for clean binding. CENTER SPINE STAPLING-2.76" insertion depth with a 360° rotating base. Rotate it 90° for clean center-spine stapling on magazines and booklets..