With a drop and click mechanism to allow quick and easy supply changesNo need for calibrating and threadingTwo printer ribbon options: Heavy-Duty and Thermal TransferHeavy-duty printer ribbons are guaranteed smear-proof and can produce long-lasting printed text that can withstand years of use in industrial and outdoor conditionsThermal transfer ribbon is formulated with resin to provide excellent solvent, scratch, and high heat resistancePrinter accessories can be used with Brady BBP31 & Brady BBP33 Label PrintersChoose from eight colors: Black, Blue, Green, Orange, Red, Yellow, White, and Magenta4-13"W x 200'L printer ribbons availableSold per roll