The Star Products TU-113 Fuel Injection Tester is a robust and reliable tool designed for professionals and enthusiasts alike. It is equipped to handle a range of tasks except for Bosch Csi & Gm TBIno gauge, ensuring compatibility and ease of use for a variety of fuel injection systems. The model number TU113 reflects the precise engineering behind this diagnostic instrument, allowing for accurate readings and efficient troubleshooting. With Star Products' commitment to quality, this fuel injection tester stands as an essential tool for anyone looking to maintain or repair their vehicle's fuel system. see photos. listed as new(other) because the gauge is missing but the remaining parts do not appear to be used. m17