Polished Blue Laser Pen

Today I would like to introduce the polished laser pointer to achieve the mirror effect.
1.First, with 600 mesh sandpaper vertical polished, polished all stripes.

2.Rotate and grind with 1500 mesh sandpaper until all the lines are polished

3.With a polishing paste on the hands to continue to rotate polished

4.Finally, clean to complete, light can Kam people.