PowerHD D12 HV CNC Coreless Digital Servo 12.5KG/0.059sec@7.4V

Torque(6.0V): 9.5 kg-cm (131.9 oz/in)
Torque(7.4V): 12.5 kg-cm (173.6 oz/in)
Speed: 0.068 sec (6.0V) ¦ 0.059 sec (7.4V)
Operating Voltage: 6.0 ~ 7.4 DC Volts
Weight: 55.0 g (1.94 oz)
Bearing Type: Ball Bearing x 2
Motor Type: Coreless Motor
Gear Type: Titanium & Steel
Operating Temperature: -20~60°C
Working frequency: 1520µs / 333hz
Size: 41.0 x 20.0 x 26.3 mm ( 1.61 x 0.79 x 1.04 in)