| ADJUSTABILITY | NONADJUSTABLE |
| DESIGN TYPE | DOUBLE FACE |
| FEATURES PROVIDED | VIAL GRADUATIONS MARKING BUBBLE |
| FEATURES PROVIDED | VIAL GRADUATIONS MARKING CROSS LEVEL |
| FEATURES PROVIDED | VIAL GRADUATIONS MARKING CROSS TEST |
| OVERALL OUTSIDE DIMENSIONS | 2.125 IN. H BY 0.875 IN. W BY 18.000 IN. LG |
| MATERIAL | IRON CAST |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 CLASS AND A STYLE |
| VIAL ARRANGEMENT | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| VIAL GRADUATION VALUE | ONE DIV OF GRADUATION EQUALS 0.035 THOUSANDTHS IN. PER FT |
| VIAL QUANTITY | 1 BUBBLE |
| VIAL QUANTITY | 1 CROSS LEVEL |
| VIAL QUANTITY | 1 CROSS TEST |
| VIAL SURFACE FINISH | UNGROUND BUBBLE |
| VIAL SURFACE FINISH | UNGROUND CROSS LEVEL |
| VIAL SURFACE FINISH | UNGROUND CROSS TEST |
| VIAL TYPE | LEVEL CROSS LEVEL |
| VIAL TYPE | PLUMB BUBBLE |
| VIAL TYPE | PLUMB CROSS TEST |