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. R6700 Series Resin/Wax Formulation is a white ribbon that offers good chemical resistance when printed on the appropriate label material from Brady®. Recommended for printing on dark-colored heat shrinkable tubing materials, such as black B-342 and B-344 PermaSleeve® wire markers from Brady®. 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.