W. L. Walker 70003 Model A 24"/56oz Tulsa Oil Thief Sampler with Aluminum Barrel. All Tulsa Oil Thieves have the following features: single trip (original with the Tulsa Thief), antifouling flat bail assembly, full opening horizontal closure system with rotating valve, two adjustable springs (one for closing tension, and one for tripping tension, for more flexible adjustment), side hanger on top casting for hanging thief on hatch or equipment case, adjustable graduated trip rod (trip rod makes fourth leg for holding thief in upright position as a hydrometer cylinder). Suitable for dense fluid sampling.
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