For Uneven surfaces - Capable of making the surface smooth and detailed.
Exquisite Workmanship - Selected sand surface, black sand stem: Long term wear resistance; Humanized design, comfortable to the touch
Dual Use of Thickness and Fineness: The round black matte strip is used on both sides, and the fine surface is used for polishing and shaping. Coarse side can be used to polish sealing layers, etc.