6 Rolls Premium Resin-Enhanced Wax 4.33" x 243' (Width 110m x Length 74m), Core size 1/2", CSO, ink coated outside. This ribbon is designed to work with Zebra GC420t, GK420t, GX420t, GX430t, TLP2442, TLP2844, ZD220, ZD420, ZD421, ZD500, ZD620t, and Godex GE300, GE330 printers. Comparable with Zebra 5319 performa wax ribbon series.