* It's mainly used for internal polishing when making bowls, jars, pen holders etc, also can be used when polishing the exterior. 
* Equipped with  sanding head 75mm, which is a suitable size for sanding objects.
* The velcro on the sanding head is more convenient to replace back velvet sandpaper. 
* Optional sanding papers 60 grits to 1200 grits for sanding heads.