Oil gauging tape with Nubian D5 blade, 1/2 inch wide by 25 ft, paired with the 590 brass plumb bob. Used by tank gauger crews and oilfield operations for accurate liquid level measurement on storage...
50 ft Nubian D5 oil gauging tape, 1/2 inch wide, supplied with the 590 brass plumb bob. Field tool for tank gaugers measuring liquid levels at oilfield and bulk storage sites.