Our polishing pad thickness is 3.2mm. 

NOT the 2.8mm or 3mm cheaper type.

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This package:

9 Pieces of 5" Pad for granite marble concrete

the 9 Pads are: 

3 X Grit 100 200 400.

- 3.2mm thickness

- recommend 3500 - 5000 rpm  (polisher or grinder speed must be lower than 5000 RPM).

- wet or dry use (wet use recommended)