The Furuno 520-IHD Transducer is a Plastic In Hull (Shoot thru the Hull) Transducer for fiberglass boats. It is a dual frequency transducer (50/200 Khz) with a cone angle of 45 degrees on 50 Khz and a 15 degree cone angle on 200 Khz. Comes with 30 feet of cable with a 10 pin connector.
