Brady, R6613, 114528 4" x 242' Black BBP11 BBP12 Series R6600 Printer RibbonThis ink-side-out ribbon features an open 1 in. core for compatibility with a variety of thermal transfer printers, including THT model 4042 and Intermec 3440.One-color ribbon for printing a single color onto a labelR6600 Series Resin Formulation offers excellent solvent and friction resistance when printed on the appropriate label material from BradyRecommended for printing on heat shrinkable tubing materials from Brady, including material numbers B-342, B-7641, B-7642, B-7646 and B-7647Combine Brady label materials with their recommended ribbon series for superior legend performance