High Speed Flat Graver Pocket Watch Engraving Tool #38 This is a new #38 high speed steel flat graver Flat gravers are used in lettering (block), parallel engraving, relief shading and any cuts that require a flat bottom Gravers made of high speed steel are harder to sharpen but hold and edge 4 to 5 times longer This can be used on all types of metals, wood, bone, ivory, onyx, etc Used by engravers, jewelers, die sinkers, stone setters and watchmakers