Powerful and Efficient Motor: Equipped with a 900W high-speed motor, offering powerful performance and low vibration operation, suitable for efficient cutting and polishing of various materials such as wood and jade. Precise Stepless Speed ​​Regulation: Features a potentiometer speed controller, supporting stepless adjustment from off to a maximum of 8000 RPM, easily meeting the speed requirements of different processes. Multi-functional Design: Supports simultaneous grinding and polishing, suitable for various materials such as jade, wood, and amber, improving work efficiency and convenience. Made with aluminum tubing and bearings, ensuring excellent heat control, maintaining an operating temperature of around 30℃, making it safer for extended use. Rotary Switch Design: Turn left to turn off the power, turn right to increase the speed, providing free and intuitive adjustment suitable for various grinding and polishing scenarios.