Vintage Ames Precision portable hardness tester. The exact model is unknown. This unit is untested and has visible damage: the clear sight glass/tube is broken, and the dial gauge is missing its protective lens/cover. Completeness, operation, and calibration cannot be verified. Sold strictly as-is for parts, repair, restoration, or rebuilding. Includes the wooden storage case and only the components shown in the photographs. Please review all photos carefully before purchasing.