6" wide Siat model RT 80N/serial number 880394, duplex pressure sentive slitter rewiner, maximum rewind diameter of 11" and 20" unwind diameter. Slitting is razor in air. Rewind is lockcore with clutches to control rewind tension. This machine is design to slit and rewind P/S tapes, but could do other material. Power requriement is 120v single phase.