Trend DWS/CS/FF Carvers Stone Double Sided Fine/FineDiamond carvers stoneA 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.Fine 1000 grit (15 micron) and 600 grit (25 micron).Continuous diamond.Complete with storage wallet.Guaranteed for five years.Use with lapping fluid.Ideal for fluted, shaped & small turning and carving tools.Specification-Size=85 mm x 50 mm x 1.5 mmGrade=Fine/FineGrit=1000 & 600 (nom. 15 & 25 micron)