17Pcs Air Micro Grinder Kit Light Mini Pencil Polishing Tool for Jewelry Cleaning blue

Feature: 1. Variable Speed Throttle Control: The wind mill pen set has variable speed throttle control, the speed can achieve 58000 rpm, and has an automatic closing lever. 2. Multi Function: Equipped with a high speed rotating wind milling pen set, which improves work efficiency and smooth work; and also has a rear exhaust to prevent debris from flying, and low noise. 3. One Handed Operation: The pneumatic grinder is small in size and light in weight, and the pen shaped design makes it easy to use with one hand. 4. Ergonomic Design: This is a pneumatic grinder designed with the ergonomic principle of the hand, which can make your operation more comfortable. 5. Scope of Application: The wind grinding pen set is very suitable for cleaning an