Easy to Use: This wrench is designed to make the process of changing filters quick and easy. Multi-Function Tool: WS1 Valve Removal Wrench V3193-02 is used in water softeners and filtration systems. This wrench helps remove and tighten pistons, as well as install and loosen nuts and fittings on valves. Durable and Reliable Made of high-quality materials, this wrench is durable and can be used regularly without any problems. Effective Maintenance: By using the right wrench, you can ensure proper maintenance and prevent potential damage to your water softener Colour:Black Material:plastic Package Contents: 1 x V3193-02 Water Softener Repair Wrench 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.