1、3Pcs in 1 Set: Comes with 3pcs diamond polishing pad with different grits, meeting your various working needs for sanding and grinding. 2、Good Materials: Use diamond micro powder and resin bond, incisive and wear resistant, enables quick stone polishing with high brightness. 3、Stable Working: Comes with seam design, the grinding pad is very soft, which ensures fast heat dissipation and low working noise as well. 4、Smart Design: The strengthened edge connector on each piece will not only effectively prevent falling off but also increase service life. 5、Flexible Using: Allows for broad application on various materials, including but not limited to marble, terrazzo, concrete and so on.