Global Leading Diamond Tool Manufacturer.
Johnson Tools
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|  Available sizes  |  Available in grits  |  Thickness  |  Usage(Dry or Wet)  | 
|  3in, 5in, 7in, 8in, 9in, and 10 3/4in. 13 1/2 inch  |  #50, #120, #220, #400, #600 #800, #1800, #3500  |  20mm  |  Dry  |