Watch Screw Driver Sharpening Stone ( Big )
Material : Silicone Carbide
Grade : A Grade
Fine and Coarse Combination stone .
STEPS OF TOOL SHARPENING :
1 . Finish the sharpening by moving the tool back and - forth , in a circle , or figure eight motion on the honing stone with a light coating of honing oil .
2 . Start on the coarse side of the stone and then finish the job on the fine side .