safe power supply, full metal construction, stability and durability of equipment greatly improved. 

It can be used for polishing, grinding, holding objects in place on a vise or drill floor, or for hand-held grinding at various angles. 

Sandpaper particle size is generally 100, also can choose sandpaper according to different materials and surface requirements.

Application:

Juvenile Activity Center, School General Technical Room, Science and Technology Activity Room Equipment, Science and Technology Museum Student Science and Technology Creation, DIY hobbyist.