ITEM NAME:Replacement Black, 64mm Ducted Fan| QF2611-4500KV | Brushless Motor for EDF Jet Description: Model: QF2611-4500KV Configu-ration: 9N6P RPM: 4500KV 64mm duct, with QF2611-4500KV motor, 5 paddle, powerful and efficient! Low temperature. Suitable for modification of 1200g or more ducted machine Suitable for Stinger-64 F-22 (3S Version) A-10 (3S Version) F-15 Knight860 Specification: Shaft Diameter: 20.2mm Stator Length: 11mm Battery: 3-4S Lipo Volts: 11.1v Amps: 27A Watts: 278W Diameter: 7.6cm / 2.99inch Height: 7.5cm / 2.95inch Package Includes: 1 Piece 5- 64mm Duct Fan QF2611-4500KV Brushless Motor SKU: DMO0015980961015819.RPM: 4500KV. 64mm duct, with QF2611-4500KV motor, 5 paddle, powerful and efficient! Low temperature. Suitable for modification of 1200g or more ducted machine. 1 Piece 5- 64mm Duct Fan QF2611-4500KV Brushless Motor.