If you need a Compact Lightweight Prism to reach hard to get to base points, such as over a fence, under a car or against a wall, this AdirPro Compact Prism Stick is made for you! The Compact Prism Stick 720-13 is fully compatible with total stations from Trimble, Sokkia, Topcon, Leica, Nikon, Pentax, and other leading manufacturers. The flexible head will make your favorite angle, and the extendable pole will give you the best height.The Compact 0.7 inch Prism is aluminium coated to increase reflectivity and to make it scratch resistant and is 0mm prism constant with a 5″ beam deviation. The lightweight 3.5oz (100g) stick is only 9.35″ (235mm) long so it can easy fit in your shirt pocket and will extend to 39″ (985mm)!