Editorial Review The CNC Aluminum Tail Boom is optimized for rigidity, stability & durability of the Blade 200 SR X helicopter. The new design is CNC machined from Aluminum material. The CNC Aluminum Tail Boom design creates a stylish overall appearance, with multiple exciting and bright colors to select: Red, gold & black, which not only adds a cool new look to your Blade 200 SR X helicopter, but also significantly aids in excellent visibility. See & feel the difference. Make your tail boom stand out from the crowd!