This adjustable offset bar can be used with total stations and prism poles to help get accurate elevation measurements in hard-to-reach places.
It can be used with any standard survey pole; simply unscrew the pole point, attach it to the brass male 5/8 x 11, then attach the pole to the female 5/8 x 11.
It has an adjustable centerline, 1.60 ft (48.76 cm) to 1.00 ft (30.48 cm) in 0.20 ft (6.09 cm) increments.
The offset bar is ideal to measure sewer inverts down manholes or odd surfaces on bridges and construction sites.
It is constructed of anodized 1/2-inch thick aluminum.
Features include: brass male 5/8 x 11 threaded post and a stainless steel 5/8 x 11 Heli-Coil®
Weighs 1.15 lb (0.52 kg)