3: The solenoid valve magnetic tool is compatible with most common industrial valves with an inner diameter of up to 18 mm. It perfectly fits a variety of applications, including direct-connected two-way solenoid valves, three-way recovery valves, and four-way reversing valves, compatibility with many of solenoid valves. 1: The solenoid valve magnet tool is an indispensable accessory designed to manually open the solenoid valve by lifting the valve stem and plunger with an industrial-grade magnet. This fast and precise operation makes troubleshooting easy, saving valuable time and reducing testing costs. 2: The solenoid valve tester housing is made of high-quality plastic to for durability. Built-in sturdy industrial-grade magnets for reliable and consistent performance, providing a reliable solution for professionals. 4: Use the solenoid valve tester tool to efficiently and accurately troubleshoot solenoid valve failures. By quickly identifying valve problems and opening them manually, you can save time, minimize downtime, optimize operations, and for seamless functionality of the valve., Weight: 0.21164377152 pounds, Manufacturer: NONDK