Check the listing for details. RotorTech 700mm "Ultimate" Flybarless Main Blade Set [RT-700-ULT]. Condition: New. Listed at 129.99 USD. RotorTech blades are finely crafted premium carbon fiber rotor blades from Fun-Key Aeroplane Models. RotorTech blades are designed to be an all around powerful, efficient, well rounded performance oriented blade that will suite a large majority of flight styles from simple aerobatics, F3C, and extreme 3D flight. Additionally, RotorTech blades utilize a minimal amount of paint within the mold, while still providing excellent flight visibility. By using less weight on all of their blades, weight is saved on each set which offers a small boost in performance. Rotortech "Ultimate" Blades are a unique design concept from the owners and factory pilots at Fun-Key. Featuring 700mm of length, 63mm wide chord, a 14mm Blade Root, and an inward focused CG for excellent agility, and delayed stalled characteristics. Specifications Length: 700mm Width: 63mm Root Size: 14mm Hole Diameter: 5mm About Us | View Store