12 Rolls Black Standard Wax 4.33" x 243' (Width 110mm x Length 74m), Core size 1/2", CSO, ink coated outside. This ribbon is designed to work with Zebra TLP models TLP 2722, TLP 2742, TLP 3742, TLP 2824 and similar printers. Comparable with Zebra OEM Part#800132-002, 5319 Performance Wax series printer ribbons.