Tamerica TCC242 DuraBind Comb Binding Machine, 15 Sheets Max. Punch Capacity, 425 Sheets Max. Bind Capacity, 2" Max. Comb Diameter, 14" with Open Throat Max. Punch Length Two handle punch & bind machine Punches 5,000 sheets/hr up to 14" or 24 holes Binds250 books/hr 4-position punching depth adjustment Hollow ground dies