The Brother TZe421 9mm 3/8" black on red P-touch TZ tape is a genuine/original product designed specifically for use with Brother P-touch printers. This tape is compatible with models such as PT P750W, E500, H500, and H500LI. The black color and 9mm width make it ideal for creating professional-looking labels that are easy to read and long-lasting. Brother products are known for their quality and reliability, ensuring that the labels produced with this tape will be of the highest standard.