Surveying Prism, All-Metal Survey Prisms Single Tilt Prism With Soft Bag for Land Surveying Prism for Total Stations Prism poles Land Surveying 0/-30 mm offset 5/8 inch - 11 inches thread Adjustable brass knob Soft Protected Case Survey Prism With 5/8??? x 11 Stainless thread. Surveying Prism offset 0/-30 mm Survey Prism Equipped with adjustable brass connector