Ripper motor brushless inrunner from Thunder tiger corp. Item No.2331 1) Ripper inner runner brushless motoe 2) Prop Adaptor x 1 3) Prop Nut x 1 4) Accessory Package x 1 5) Allen wrenches(1.5mm & 2mm ) x 2 6) Instruction Manual Introduction Thunder Tiger introduces a new brand called Ripper brushless motor to satisfy any of your flying needs. Extremely high torque motors provide power you have to see to believe. With the best mechanical design for cooling down the motor temperature, you can get the best efficiency and power. Features 1) The perfect current capacity for long time flying 2) Provides extremely high torque for flying 3) The most efficiently RPM value 4) The maximum efficiency current 5) The most completed package without any other purchases. 6) Light weight with the best performance