The Starrett 98 Machinists Level, 18 inches long, features ground, graduated main vials, a cross test vial, and a double plumb vial for varied leveling tasks. Its base includes an involute groove for round work, while adjustable vials are housed in a satin finished brass tube with a friction-fit cover. Main vials provide graduations of approximately 80-90 seconds or .005 inches per foot (0.42mm per meter).
- Ground and graduated main vials.
- Involute groove in base for round work.
- Includes cross test vial.
- Adjustable vials with satin finished brass tube and friction-fit cover.
- Main level graduations: 80-90 seconds or .005 inches per foot (0.42mm per meter).
- Double plumb vial for increased versatility.