The Chicago Pneumatic CP734 Air Hammer chisel is a high-quality automotive tool designed for precision and efficiency in various automotive maintenance and repair tasks. As a set product, this air hammer includes essential components for achieving optimal performance in a range of applications. With a manufacturer part number of CP734, this unit is a reliable tool for mechanics and automotive professionals looking to enhance their work with the trusted Chicago Pneumatic brand. I google searched the brand and serial number so it may not be correct.