Plumb Bob, SAE, 1 Inch, Brass, 0 Inch-6 Inch, 7.3 Inch

Plumb Bob, SAE/Metric, 1 Inch, Brass, 7.4 Inch, 1.1 Inch

Plumb Bob, SAE/Metric, 0.87 Inch, Brass, 7.2 Inch, 1.1 Inch

Plumb Bob, Metric, 1 Inch, Brass, 0MM-150MM, 7.7 Inch

Solid brass inage oil gauging plumb bob, 1 inch diameter and 6.75 inches long, graduated in both SAE and metric. Used with oil gauging tapes for liquid level measurements at oilfield tank batteries...

20 oz brass inage gauging plumb bob with SAE graduations, 1 inch diameter by 6.75 inches long. Pairs with oil gauging tapes for tank level measurement at oilfield production sites and bulk fuel...