This ink-side-out ribbon features an open 1 in. core for compatibility with a wide variety of thermal transfer printers. One-color ribbon for printing a single color onto a label. R6100 Series Wax Formulation offers excellent scratch and smear resistance when printed on the appropriate label material from Brady®. Recommended for printing on paper and films that have a matte or rough surface, such as B-424 and B-402 Adhesive Papers from Brady®. Combine Brady label materials with their recommended ribbon series for superior legend performance.