Machinists Level with Ground and Graduated Vial, 6" (150mm) Length, Standard Letter of Certification
Cross test vial
Ground and graduated main vials
Includes standard letter of certification
Main level vials have graduations that are approximately 80-90 seconds or .005" per foot (0.42mm per meter)
The base of the levels features an involute groove running the length of the base, which provides a reliable seat for round work
The vials are adjustable to a positive setting and are housed in a satin finished brass tube with a friction-fit closing cover to prevent breakage