Fellowes 5218201 Galaxy 500 Manual Comb Binding System, 500 Sheets, 20 7/8 x 17 3/4 x 6 1/2, Gray Manually punches up to 28 sheets of paper at a time and binds up to 500 sheets with a 2 comb Enhanced accuracy edge guide centers documents with ease for pinpoint punching Removable binding mechanism can be used separately for increased productivity Built-in comb storage tray with integrated document measurement device for added convenience and quick set-up Loads vertically for accurate punch alignment