The Computer Ink Ribbon Mask /Hammer Bang/159766-901 RevH by Printronix is a printer accessory designed for use with the P6000 and P7000 series printers. This unit is specifically compatible with the original Printronix brand and model P5005, ensuring a perfect fit and optimal performance. The ribbon mask helps to prevent ink from smudging or bleeding during the printing process, ensuring high-quality results with each print. With a unit quantity of 1, this accessory is a must-have for any Printronix printer user looking to enhance their printing experience.