Premium quality, beautifully finished carbon fiber helicopter blades designed for 3D flight. Features: • High quality carbon fiber construction • Highly efficient blade profile ideally suited for 3D flight • Beautiful high gloss finish with laser etched Pro 3D Carbon Logo • Pre-balanced, matched and ready to fly Specs: Length: 335mm (bolt hole to blade tip) Width: 34mm Root: 4.8mm Bolt Hole: 3mm