Garmin B619 20° Tilt Bronze Thru-Hull Transducer - 8-PinThe Garmin B619 20 Tilt Bronze Thru Hull Transducer is a durable, low drag depth (and optional temperature) transducer designed for cruising sailboats and powerboats. Its fixed 20 tilt and bronze housing deliver reliable depth readings even with challenging hull deadrise. Material: Bronze through hull transducer housing with ABYC H 27 compliance, providing a vertical beam without a fairing. Tilt angle: Fixed 20 tilt to accommodate hull deadrise