Shapton Diamond Lapping Plate
For those who are looking for the ultimate in a lapping plate, and are willing to pay the cost, then the Shapton Diamond Lapping Plate is what you need. It has a unique substrate unlike other lapping plates with bases of plastic or steel, and has an incredibly flat surface. It is guaranteed flat to within +/- 5 micron and works on all water and ceramic stones. No other flattening stone is measured in microns. This lapping plate will gain you an extra 3 or 4 percent in performance over the Trend Diamond Stone.
3" wide x 10" long.
Made by embedding diamonds in float glass with a coating of nickel.
The Shapton Lapping Plate will flatten all water, oil, and ceramic stones.
Not recommended for use on stones coarser than 500 grit.
Will not rust