Specifications:Can be installed in pneumatic and electric rotary grinders.Do not use the bottom tape area when polishing, so as to prevent the sandpaper stick from spreading.Suitable for polishing all kinds of glass, metal, non-metallic objects surface or grooves, such as various wood carvings, stone, jewelry, jade, etc.Type: Grinding StickMaterial: SandpaperFeatures: Easy to Use, Durable, LightweightHandle Diameter: 3.0mm/0.12" (Approx.)Sandpaper Head Diameter: 12mm/0.47" (Approx.)Sandpaper Length: 28mm/1.10" (Approx.)Total Length: 54mm/2.13" (Approx.)Notes:Sandpaper stick should be used at low speed. It is recommended to rotate at 2000-5000. Please do not use it for speeding Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Grinding Stick