Raymarine Pack of RVM-412 RealVision 3D Stainless Steel Thru-Hull Transducers, Port and Starboard 12-Degree Direct Connect to Axiom2 and RVM1600 (2 X 2M, Y-Cable and 8M Extension Cable)The RVM 412 is a port and starboard transducer pair designed for boats with 5? to 15? of deadrise. Each transducer element is tilted at 12? to compensate for the hull deadrise. The RVM 412 and RVM 420 transducer pairs feature titled offset sonar elements inside their surface mount housings. The tilted elements ensure the sonar's beam patterns are correctly aligned for maximum performance while eliminating the drag and turbulence associated with a