Lapping Wheel
No.8315
Lapping Wheel is fixed with a screw on the tip of 6 inch Fixing Arbor (Right) and stick the Lapping Film on it for grinding.
3 optional grits of Lapping Film: Just peel off the backing paper and stick it on on the Lapping Wheel. Lapping Wheel is used for mirror polishing gems and jades and sharpening blade of knife.