1 . Solve the problem of traditional grinding pen shake , no shake rotation at high speed, and safer grinding chip.

2.Long gourd appearance design is more comfortable to hold.

3. Configure 8 different specifications, suitable for repair chip IC grinding, cutting motherboard, bracket, grinding border, etc.

4. 6 Speed adjustment to meet different operation requirements.

5.USB connection, easier to use.

6. Plug-in clip, update grinding is easier.