Seco 2.6 m Twist Lock Telescopic Aluminum Prism Pole – Fine Metric Grad (135 mm H.T.) - Red & White The Seco 5527-18-13 is a precision aluminum telescopic pole designed for surveying applications requiring fine metric graduations and consistent height reference. It extends to 2.60 m (8.53 ft) and collapses to 1.52 m (4.98 ft), featuring 2 mm/cm graduations and a 135 mm height (H.T.) configuration. This model utilizes a TLV (twist-lock with vial) system with a soft-touch knob for easy adjustment, along with a high-visibility 40-minute vial for accurate leveling. Easy-access calibration screws and a fixed tip support reliable, repeatable field performance. Key Features • Aluminum construction for durability and stability • Telescopic design: 2.60 m extended / 1.52 m collapsed • Fine metric graduations (2 mm/cm) • TLV twist-lock system with soft-touch knob • Built-in 40-minute high-visibility vial • 135 mm height (H.T.) configuration • Fixed tip for consistent setup