1. Unscrew the screw plate of the angle grinder and remove the original cutting blade;
2. Install the cutting blade to be replaced, and the card slot presses down the inner hole of the microdermabrasion;
3. The inner hole of the grinding plate needs to be inserted into the bayonet of the pressure plate;
4. Press and hold the head lock, and use a wrench to tighten the reverse wire cover.
