Stable, durable, adjustable in height, telescopic (50 - 80cm) and rotating transducer pole. Fits on a Berkley Mount Base with Lock (SAP1601094, not included) and comes with a Berkley Quick Release Lock head plus mounting sets for Garmin LVS32 and LVS34 transducers. The Quick Release Lock head can easily be unscrewed and replaced by the included special head (diameter 34mm) for a Garmin Trolling Motor Shaft Mount. Lightweight, so ideal for belly boats, dinghies and kayaks. Material: aluminum shaft and fiberglass reinforced nylon parts.