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 plastic to for durability. Built-in sturdy industrial-grade magnets for reliable and consistent performance, providing a reliable solution for professionals. 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. 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. Simple four-step operation:1. First turn off the power and remove the motor coil 2. Place the tool on the valve stem and make a "click" sound. 3. Without making a "click" sound, turn the magnet in the opposite direction 4. After completing the manual operation, remove the solenoid valve magnet, turn the electric coil, and repeat the above actions until the valve opens. Part name: Solenoid valve opener Color: As Shown Material: plastic Package Contents: 1 x Solenoid valve detector 1 x Solenoid valve magnetic tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.