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Buy this item and earn 1,170 points valued at $58.50. (Redeemable on future purchases) The latest hi-tech optical device for inspecting dive tank threads for neck cracks or other defects. The TIP unit engages the tank aperture and special plastic rod, illuminated by a small Pelican light, extends into the threaded neck. This rod serves as a optical magnifier to an eye piece which allows precise inspection of the internal threads and underlying neck structure. Rotation of the rod on its basal mount provides a sharp, enlarged, annular view of the entire neck region.
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