Hold-A-Pole is a device made of heavy duty plastic that holds your prism or range pole in the field. It attaches to the top of the tripod via the 5/8-11 threaded stud, while the pole fits into the "V" notch. Hold-A-Pole can hold the pole on back sight and topo set ups. It can also be used to check and correct if necessary the vial adjustment while in the field. The Hold-A-Pole is 8"x3", weighs 2.5 oz. and is orange in color.