The PostMate 6 is built for durability with four long-lasting sealing
  rollers and a heavy-duty 3-phase motor. The PostMate 6 comes with
  an auto-extending conveyor and can be operated either as a
  stand-alone sealer or directly in-line with a printer for optimum
  productivity.

  Large Infeed Capacity
  The easy to load, auto-lift in-feed holds up to 1,400 sheets for
  time-saving throughput processing.

  Friction Reverse Roller (FRR) With A Cooling System
  The 'Friction Reverse Roller' system with a cooling fan allows
  PostMate 6 to smoothly operate at a fast speed.

  4 Roller Sealing Unit
  A second pair of sealing rollers enables enhanced sealing quality at
  higher speed.

  Duty Cycle
  Enhanced parts and life cycle on rollers allow PosMate 6 to operate
  up to  300,000 sheets per month.

  Adjustable Speed
  Adjustable speed allows operator to work at a comfortable speed
  and quiet environment.