Includes: A600 Fuselage, Foil Screw Pack B 2021 North Sonar Fuselage Compatible with: all Sonar masts Hydrodynamically-optimized shape for minimum resistance, the Sonar Fuselage is precisely CNC-machined from 6061-T6 aeronautical-grade anodized aluminum with structurally engineered connection details that are designed to last. The shorter length A600 Fuselage improves pumpability and has a sporty feel with earlier take-offs. Featuring GeoLock, a unique tapered geometry locking connection between the Mast and Fuselage for a more efficient load transfer and longer-lasting connection. Fits all Sonar Masts. Features Hydrodynamically-optimized shape for minimal resistance CNC-machined anodized aeronautical grade aluminum GeoLock tapered geometry locking system for optimized load bearing connection Compatible with all Sonar Masts Compatible with all Sonar Front Wings Looking for the right angle for the perfect flight? Check out these North Sonar Stabilizer Shim Kit.