SECO – Nodal Point Stakeout Mini 25 mm Prism with Site Cones – Flo Orange. Features ‘site cones’ that improve vertical angle pointing — the site cones double as tilting-axis lock knobs. The adjustable 40-min vial is mounted on the front side and is easy to see and simple to adjust. 17.5 Nodal Offset. Includes carrying case.