A precision double-sided credit card size diamond stone.
Double sided combination of two grade of fine grit.
Designed for carvers and precision honing of keenest edge.
Ex-fine 1000 grit (15 micron) and 600 grit (25 micron).
Plate thickness 1.8mm for extra
Specification
Size=84 mm x 50 mm x 1.8 mm
Grade=Ex-Fine/Fine
Grit=1000 & 600 (nom. 15 & 25 micron)