Hand milling the finish on this railroad rail, turned finishing anvil. It was done with a slotter style mill, so had some deep grooves. These 80 grit metal finish wheels with flexible backing are THE ticket here. It gives fine control of the surfacing, the lighting is the second key. The light shows you where you've been. whoa. thats some #heavymetal. #alttext #alttextbonus #anisotropy