FORM: ROUND TYPE DIAMETER: 27,7 mm LENGTH: 37,80 mm VOLTAGE: 1,20 - 30,00 V NO LOAD SPEED: 2.500 - 30.000 rpm STALL TORQUE: 50 - 1.000 gr-cm STALL CURRENT: 0,30 - 45,00 A CUSTOMIZATIONS: shaft, cables, circuits, pinions, filters