swix all 3 grits diamond stones 100mm ta200e 400e 600e swix swix diamond stone coarse ta200e, medium ta400e, fine ta600e 200, 400, and 600 grit stone for deburring, sharpening, honing, polishing ski and snowboard edges. the stone dimensions are 100 mm x 25 mm x 4.5 mm and the diamond area is 80 mm x 20 mm.