The RAM® Printer Mount for Zebra ZQ521 with Medium Tough-Claw™ (RAM-404-ZE30U) is a form-fit, rugged mounting solution that securely attaches the Zebra ZQ521 to rails and bars. This holder is designed with a quick-release latch that allows ultimate mobility for on-the-go workers. Paired with the Tough-Claw™ base, this mount installs quickly and tool-free on round, square, and irregular rails from 1" to 1.6" in diameter. The RAM® double socket arm and ball-and-socket system delivers near-infinite adjustability, making it easy to position your printer exactly where you need it. Be sure to verify your printer’s dimensions, including any case or sleeve, to ensure proper fit.