Check the listing for details. 1.0" x 1.25" Modified Shank Lathe Tool Grooving/Threading AL 125-4 w/Insert. Condition: Used. Listed at 49.99 USD. 1.0" x 1.25" Modified Shank Lathe Tool Grooving/Threading. 1.0" x 1.25" Shank. AL 125-4 w/Insert. Good Condition w/Insert.