This platen roller kit replacement is suitable for Zebra ZM400 203dpi 300dpi 600dpi thermal barcode label printers and highly compatible with it. Part Number: 79815M. Please check the device model carefully before purchasing. This platen roller is made of high-quality rubber material, which is aging-resistant, corrosion-resistant and durable. Thicker rubber can withstand the friction of long-term operation, giving the rollers a longer life. The platen roller can help the label paper stay flat during the transportation process, without offset and paper jam problems, thereby ensuring the accuracy and stability of printing. The roller bearing is smooth, it has high rotation speed, small beating and no noise, allowing the platen roller to operate stably. The platen roller has applies sufficient pressure to ensure the quality and stability of the print output and maintain smooth operation 24 hours a day. The snap-on connection makes installation simple and convenient, reduces downtime and improves work efficiency. It has strong pressure resistance and good flame retardancy. It will not fall off after long-term use. We conduct multiple strict quality checks before shipment.