The Sokkia Rear-Locking Prism Mount 724804 has a rear lock feature which makes targeting the prism to the instrument more efficient. It is compatible with most screw-in survey prisms. The visible target measures at 5.5 x 7 inches and comes in fluorescent orange. This entire assembly can be safely stored inside the included carrying case.
The prism mount comes with a 1 year limited warranty.