- Have ground and graduated main vials
- These 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
- The base of the levels features an involute groove running the length of the base
- With the cross test vial, it is possible to simultaneously level in both directions
L.S. Starrett
L.S. Starrett 98 Series Machinists' Improved Levels, 6 in, 2 Vials, 1 EA, #50441
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