Tripp Lite's 3ft. MicroDB50M to DB25M Series SCSI II (fast SCSI) Cable. Used to interface two SCSI II devices. Low-capacitance impedance matched 28 AWG stranded tinned copper are individually insulated in polypropylene. 25 tightly woven conductor pairs ensures that each data line is paired with a ground line to minimize interference, ensuring error-free data transmissions. Tripp Lite offers a lifetime replacement warranty on all cable products. All TRIPP LITE SCSI Cabling Is Double-Shielded (Braid And Foil). All TRIPP LITE SCSI Products, Regardless Of The SCSI Generation, Meet The Latest SCSI III Specifications Of ANSI (American National Standards Institute).