Designed to work efficiently with your uPunch time clock, this two-color ink ribbon accurately prints your employee in & out punches. The two-toned replacement ribbon prints in black & red ink to highlight early & 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.