Thermal Transfer Barcode Ribbons barcode ribbons, in wax, wax/resin, resin,which are applicable for all bar code or label printers. Item No. for reference: TMB21,TMA22N,TWA10N,TRA32,TRB32,TRC32 1.compatible to most of the machines in the world 2.ink inside or ink outside 3.width and length all can be customize 4. 1/2 inch core or 1 inch core