M710 Series snap-in print ribbons enable 5-second ribbon supply changes. No calibrating, no threading, no waste, no hassles and the ink always faces the right direction! One-color ribbon for printing a single color onto a label. R6400 Series Resin Formulation offers superior chemical and abrasion resistance when printed on the appropriate label material from Brady®. Recommended for use with materials designed to resist chemicals, such as B-492 Frozen Surface Polyester and B-481 Chemical Resistant Polyester. Self-contained M7 Printer ribbon cartridges insert straight into the printer with ease. Brady Authentic materials work seamlessly with Brady printers for improved printer and material communication, seamless mobile app interaction, and better performance and reliability.