Armattan CF-355 Carbon Fiber Quadcopter Frame Kit - 355mm Acrobatic Quad with a! Armattan CF Series are the only R/C frames - of any kind - to carry a Lifetime Warranty! The CF-355 is an acrobatic X-Quad with 355mm spacing designed to use 8" or 9" props. Uses top quality, high-heat, pressed 3K twill weave carbon fiber constructed with tight tolerances for incredible stiffness, durability and light weight. Designed to easily withstand the rigors of acrobatic quadcopter flight and training. Enhanced Frame Kit - Includes unassembled frame, FC cover, power distribution board, aluminum landing skids, flight controller standoffs and assembly hardware.