SHDIATOOL 3 Step 4" Diamond Polishing Pads for Marble Soft Stone Floor

Specification:  Diameter 4"/100mm; workable thickness 3mm; Bore 18mm;  Application:  Designed for fast polishing on marble soft stone floor; Recommended rotating speed 2500RPM; Recommend wet working for better finishing, and it is ok to dry working; Use them from 1 (coarse) to 3 (Fine); 1=100#, 2=400#, 3=1500# Feature: Great choice for small project, saving much time; High efficiency, good flexibility and excellent finishing; Flexible design and good finishing;