Clausing tool post grinder. Catalog Number PN 2716. I believe it is for a 10 inch lathe. Spindle speeds are 4900 and 9100 r. The item “Atlas Clausing tool post grinder” is in sale since Monday, June 06, 2016. This item is in the category “Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Equipment Specific Tooling\Lathe”. The seller is “heavycb” and is located in Philadelphia, Pennsylvania. This item can be shipped to United States.