-High quality bearing, long life, improve grinding speed. -The grinding machine is designed according to ergonomic principles to make the operation more comfortable. -With angular grinding machine, the advantages of the grinding machine reduce the noise problem during machining. -Portable pen type structural design, with small volume, high speed, low noise, large torque, low energy consumption, smooth and lighter, etc., it is easy to operate. -It is widely used in all kinds of moulds, hardware tools, self-adhesive sandpaper, bowl sand wheel, self-adhesive wool film and so on. -Used for Glass, stone, arts and crafts, hand ornaments etc Need to be trimmed, cut, grind, carve, trim, and need mirror polishing industries.