For use in all desktop Zebra Printers accepting an inner core diameter of 1" and a maximum outside roll diameter of 5". The Zebra printers include: 2746e, R2844-Z, R402, TLP2844, TLP2844-Z, TLP3742, TLP3842, TLP3844-Z, GX420T, GK420T, GX430T. Please refer to your manual for your exact printer specifications.