Heavy Duty Tribrach with Adopter & Optical Plummet for Total Station, Features as follow – High Quality Yellow tribrach with optical plummet – Tribrach have three leveling screws with center line. – Twist-focus (2.5x mag.) – Optical plummet focusing range 0.5m-15m. – standard base screw: 5/8” – 3-prong forced centering connection NOTE: Prism is not included in the price. The price for Prism with Target Plate is Rs. 9000