This adjustable offset bar can be used with total stations and prism poles to help get accurate elevation measurements in hard-to-reach places such as sewer lines
Can be used with any survey pole
Has an adjustable centerline, 1.60 to 1.00 ft in 0.20 ft increments
Ideal to measure sewer inverts down manholes or odd surfaces on bridges and construction sites
Constructed of anodized 1/2 inch thick aluminum
Features include: brass male 5/8-11 threaded post and a stainless steel 5/8-11 Heli-Coil