Suitable for : Raptor 50, Logo 20, X-Cell 46, Henseleit. 3/4mm Bolt Hole 12/14mm Blade Grip Optimised for Sport and 3D with new Twill Finish, Weight, Lead/ Lag, chord and longtitudinal stiffness have all been optimised. to provide a sharp quick reacting blade with no loss of stability or auto. Favoured by many pilots, sport and 3D.