Precise depth measurement and spot marking: This marker float is designed to measure water depth and mark fishing spots with accuracy, enabling a well‑informed carp fishing strategy for training sessions or onwater outings. Stable, visible floating performance: With a buoyancy design, the float remains steadily afloat and easy to observe. Bright coloration ensures clear visibility in a range of conditions, helping you track depth and position at a glance. Durable, dependable construction: Made from sturdy ABS material, this marker float combines UV resistance with durability against water flow. It is a wear‑resistant tool built to perform reliably in diverse aquatic environments. Adaptable for carp fishing across environments: Engineered for carp fishing in ponds, lakes, and rivers, this marker float offers a versatile approach that supports the dynamic requirements of modern fishing practices. Use scenarios Training pond sessions: Use the marker to map water depth and mark key spots around feeding zones or structure, supporting targeted practice and strategy development. Lake or dawn/dusk setups: Deploy the float for quick depth checks and spot marking while monitoring movements in lowlight or clearwater conditions with visibility. River carp fishing with current: Anchor and observe depth changes along current edges, using the marked spots to guide rig placement and improve bite opportunities.