This ink-side-out ribbon features an open 1 in. core for compatibility with a wide variety of thermal transfer printers.B30 Series "Drop & Click" print ribbons enable 5-second ribbon supply changes. No calibrating, no threading, no waste, no hassles and the ink always faces the right direction. 'IP-Enabled ribbons come spooled on a specially designed core that includes a Smart Cell RFID tag that communicates with the Brady IP® industrial label printer. This self-contained super-tough ribbon cartridge for the TLS 2200® and TLS-PC Link™ Thermal Labeling Systems ensures your printed text lasts for years in industrial areas.'BMP®61 Series ribbon cartridges allow users to change ribbons in seconds.B30 Series "Drop & Click" print ribbons enable 5-second ribbon supply changes. No calibrating, no threading, no waste, no hassles and the ink always faces the right direction.