Brady b30 series printer ribbon, 4-21/64w x 200’l, white, b30-r10000-wt versatile printer ribbon compatible with various brady b30 series printers for the creation of safety and facility signs and labels. Self-contained ribbon cartridges are easy to replace eliminating the hassle of printer calibration and ribbon threading. R10000 series ribbons are based on a resin formulation that offers a high performance image with strong solvent and scratch resistance. Tough, smear-proof ribbon produces long lasting printed text that can withstand years in industrial areas and outdoor conditions. Self-contained b30 series cartridges drop straight into the printer with a click.