Seco 2 m Snap-Lock Carbon Fiber Rover Rod - External Metric Grad The Seco 5128-20-GM is a lightweight carbon fiber GNSS rover rod designed for fast setup and stable field performance. Its telescopic design locks at a fixed 2.0 m height and features external metric (cm) graduations for easy and accurate height reference. This model uses a dual locking system with a snap-lock for secure, no-slip height retention and a compression lock to maintain internal alignment and straightness . A built-in 40-minute circular vial supports quick leveling, while the carbon fiber construction ensures durability and minimal thermal expansion. Key Features • Carbon fiber construction (lightweight, strong, low thermal expansion) • Telescopic design with fixed 2.0 m lock height • External metric graduations (cm) • Dual locking system: snap-lock + compression lock • Built-in 40-minute adjustable circular vial • Designed for GNSS rover applications