(a) 120 Pieces of 4 Diamond Polishing Pad for granite marble concrete travertine. 22 X Grit 50 100 200 400. 9 X Grit 800 1500. 7 X Grit 3000 10000. (b) 10 Pieces of 4 Inch Diamond Ultra Wide Segment Turbo Row Segment Grinding Cup Wheel Non Threaded. Inner hole diameter fits all 7/8″ or 5/8″ spindle polisher / grinder. Pad: 3.2mm thickness. Recommend 2500 – 5000 rpm. Wet or dry use (wet use recommended).