All-Copper Motor The 230W pure copper motor provides 18000rpm speed for the flex shaft grinder It features high stability and low noise for elaborate work Also it comes with a heat vent to prevent the machine from overheating and burning in order to prolong its service life. High Precision Flexible Shaft: The flexible shaft rotary tool features a high precision 3-jaw chuck for better compatibility and high clamping force. In addition, the 100cm flexible rubber shaft has good stretchability for precise connections. Stepless Speed Pedal: ABS plastic pedal for flex shaft grinder is safer than ordinary materials. It blocks rapid heat production and transfer. In addition, there is a screw on the pedal which can be used to adjust the constant speed and the rotation speed. Versatile Accessories: This flexible shaft grinder is equipped with many accessories that can be used for cutting, drilling, polishing, deburring, etc. The steel wire brush, the abrasive stone, the sandpaper disc, the mandrel, the sanding sleeve, the storage box, the mandrel. the key and wrench all meet your different needs. Versatile Use Scenarios: Our flexible shaft rotary tool is a professional tool for finishing, polishing, adding textures and reaching into small gaps and delicate areas. It is suitable for different processing sites and materials, such as metal, wood, stone, jewelry, etc.