Designed to work efficiently with your uPunch™ time clock, this two-color ink ribbon accurately prints your employee in and out punches. The two-toned replacement ribbon prints in black and red ink to highlight early and tardy employee punch times. The snap-in/snap-out design makes changing the ribbon cartridge a breeze. Device Types: Time Clock; Color(s): Black/Red; OEM/Compatible: OEM; For Use With: uPunch™ HN3000, UB1000.