Machined ront housing with four fan-style cooling holes pump through the engine while it is running.Rear threaded mounting holes with both 16mm and 19mm hole spacings fits a variety of applications.<br> Specially designed NdFeB magnets with high temperature rating for -free operation.High Temperature 140 Celsius (356 Fahrenheit) rated wire is used for winding the motors to minimize the risk of burning the motor.<br> High quality epoxy coated stator plates on the inner surface to prevent winding shorts. 0.20mm stator plate id used on this 5010 engine.<br> High quality shielded and permanently lubricated are used to control the motor shaft in all of our motors.<br> High temperature adhesives are used to stator windings and prevent from shifting and getting pinched or shorted out.<br> 5010 360KV High Torque Brushless Motors for MultiCopter QuadCopter Multi-Axis Aircraft<br> KV (rpm / v): 360KV<br> Anti-tooth<br> ESC: 20-40A<br> Best works with props from 14-16 inch<br> Shaft size: 4mm<br> size:Engine size 50 x 10 mm<br> Material:metal<br> colour:Silver + Black<br> Package Contents:<br> 1 x set Brushless Motor 5010 360KV<br> Only the above package content, other products are not included.<br> Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store