Extends any Centronics50 cable or connects any SCSI Centronics50 device. This premium cable is double shielded with 19 TwistedPairs wiring to support maximum speed for all PC and Mac SCSI. This SCSI cable has matched impedance, PVC jacket and molded ends with inner hood soldered 360 degrees to the connector for complete end to end shielding. (Connectors: Cen50 Male to Female; Length: 3ft)