Micro Airpowered Pencil Die Grinder Tool Pneumatic 70000 RPM .
WEB【Working】70000 RPM Free Speed90PSI Air PressureHighspeed pencil type grinder, can adapt to high speed precision machining Sophistied interior design, easy use and durable. 【Safe and Durable】Small size, light weight, pen design, easy to use one designed micro grinder, safe and rotation ...