Featuring a 5-second “drop and click" supply change, this smear-proof M7 printer ribbon needs no threading nor calibration. And, it’s built super-tough for outdoor and industrial use. Ideal for marking pipes and valves, facility safety and compliance ID and general ID. Offers strong solvent and scratch resistance, plus high-performance images. 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.