Description The angle grinder speed controller is designed for efficient metal processing and woodworking tasks. Featuring a rotary knob speed controller and variable speed trigger switch, it allows users to precisely regulate motor for personal performance. With the universal brush motor controller, it upgrades electric grinder tools, providing smoother operation and control when polishing or grinding, enhancing user convenience in diverse applications. Features -Color:Black -Material:Plastic + Metal -Size:7.00X5.00X3.50cm/2.75X1.97X1.38in -Precise speed adjustment: easily finetune your angle grinder or polisher using the speed governor for angle grinder, delivering exact speed control for perfect results in metal and woodworking tasks -Userfriendly trigger control: the circular saw trigger switch design ensures smooth operation, allowing you to efficiently regulate motor speed while handling heavyduty projects or delicate surfaces -Versatile upgrading function: upgrade your electric grinder tool or sander with this universal brush motor controller, transforming your power tools into multispeed machines for enhanced efficiency -Multitool compatibility: this speed controller for electric motor fits various devices, acting as a power tool trigger switch, drill handle trigger switch, and sander speed adjuster switch for flexibility -Instant speed changes: featuring a speedregulating knob and rotary knob speed controller, adjust your grinder speed control dial onthefly to match diverse material requirements, boosting work precisionPackage list: 1 x angle grinder speed switch