This radiator pressure gauge works great I had a leak in my coolant system and this tool made it very easy to find the leak Very affordable and it has a few uses.
Pros
MANUAL PUMP LEAK: The radiator pressure tester uses aluminum pump cylinder, no plastic, 21-inch rubber and nylon resin hoses, brass fittings, strong and durable. 3" large dial indicator with index range from 0 to 35 psi (0 to 2.5 bar). , easy to observe. Chrome plated brass quick connector with safety valve connects to radiator adapters quickly and easily. The low profile design of the control knob is more convenient to connect with