... pad) Applicable scopesuitable for marble ,granite ,man-made stone ,all kinds of natural stone arc ,line ,edge grinding ,fine grinding ,polishing ... for maintaining, repairing and revamping the granite, marble and artificial stone floor , liquid penetrant or hardener and densifier for floor. ... surface will show a mirror effect3.It can make the old stone floor become gloss again Grits 50#,100#,200#,400#, ...