Crocker style graver sharpener is used to hold graver in a fixed position while sharpening on a bench oilstone. Graver can also be adjusted and set to any angle by setting index and locked in for accuracy.  This crocker style graver sharpener can be used to sharpen Gravers, Screwdrivers and other fine edge tools.  Note- Photographs are for illustration purpose only.  Actual item may slightly differ from the pictures shown. Scorpion is committed to providing the customer with the best source for value possible on the market.  You will enjoy the quality, function and usefulness of our products.