Description: -The new aluminum tail boom and carbon fiber vertical fin is designed to replace the plastic fuselage of the stock Blade MSR. With the new aluminum tail boom and stylish carbon fiber tail fin set, the Blade MSR now looks much better than ever. It is designed to bring the new, stronger and antipyretic for tail motor on E-Flite Blade MSR helicopters. -Very easy assembly. - Compatible with main frame stock and Microheli main frame. Includes: -CNC aluminum tail case motor mount. -Derlin motor end cap. -Carbon fiber vertical fin. -One Aluminum tail boom. -All hardwares Requires: -Loctite (#242 is recommended) -Assembly Weight: 1.5g Usage: -Blade MSR helicopters only Instruction: -Included in the package Features: Precision CNC machined aluminum and real carbon fiber parts. Very stylish carbon fiber vertical fin Designed light weight and proportional for best stability