Mini Prism with 4 Poles for leica total stations 25.4 circle prism Prism constant: +17.5mm (When you use it to leica total station. when you use to another BRAND instrument . the prism constant is not 17.5mm) Pole Material : aluminium alloy Pole Diameter : 12mm mini prism+four poles(30cm each)+bags Penggunaan : Prism Target ini dapat di gunakan untuk Total Station Merk Topcon, Nikon, Sokkia, South dll.