250V 12A Angle Grinder Switch Speed Controller Knob Switches For Electric Hammer Impact Drill Polishing Machine Power Tool Feature: 1. The product uses high-quality materials and the quality is guaranteed 2. Product performance is stable and service life is long 3. Product design is lightweight and has a wide range of application scenarios 4. This is a power tool speed regulator with a knob and six-speed speed switch, which can be used for the adjustment and modification of high-power power tools. 5. Easy to operate and easy to understand, very suitable for DIY enthusiasts Product parameters: Name: Power tool speed regulator Rated current: 12A Rated voltage: 250V Can be used for power tools below 1600W Can be used for polishing machines, angle grinders, cutting machines and other power tools Package list: Speed regulator X1