60-1200 Grit Green Carbon Oil Stone Sharpener Jade Polishing Whetstone <br>Description:Material:green silicon carbonSize:150X12X12mm(L*W*H)Model:60grit(1#)  240grit(2#) 320grit(3#)  800grit(4#)  1000grit(5#) 1200grit(6#)Application:optical glass， alloy， jade， knives polishing grinding or sharpening<br>Feature:High toughness and hardness with green silicon carbon material8 specifications meet your needsIdeal for optical glass，jade an knives polishing grinding or sharpening<br>Package included:1X Green Carbon Oil Stone<br><br><br><br>60#<br><br><br>240#<br><br><br>320#<br><br>800#<br><br>1000#<br><br>1200#