Used to measure depth, speed, and temperature, the Raymarine B744V Transducer offers great triducer performance in a single thru-hull package. The bronze housing is approved for use with both fiberglass and wood hulls on vessels with a 0° to 24° hull deadrise. The included fairing block ensures reliable performance, even at speed. Self-sealing removable paddle wheel insert. 2" dia. hole for easy installation. 10m (32.8 ft.) long cable with connector. Part#: A66091.Compatible With The Following Sounder Modules:* DSM30* DSM300 Fits vessels with a 0° to 24° hull deadrise Fairing block ensures reliable performance Self-sealing removable paddle wheel insert | B744V Thru-Hull Transducer with High-Speed Fairing