Product Information: For pylon /EDF jets up to 1400 grams Suitable for EDF 50mm Micro fan -Diameter : 24 mm -Length : 29 mm -Shaft Dia. : 3.17 mm -Weight : 55 grams -No load current(lo) : 1.8 -Internal resistance: 0.056 -KV : 4800 -No. of poles: 4 -Max Current: 28 A -Max efficiency: 87% -Power Nominal: 300 Watts