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Uploaded on Oct 22, 2009
By screwing off the point of a standard prism pole and attaching the point to the offset bar, pole users are able to get into sewer pipes easily without having to do extra calculations for elevations.
The sewer invert offset bar maintains exact pole elevation readings. It is constructed of heavy duty 6061 aluminum and is anodized clear. The overall length is 8.87 inches. Features include: brass male 5/8 x 11 and a stainless steel 5/8 x 11 Heli-Coil.