Torque(4.8V): 3.8 kg-cm ( 52.8 oz/in) Torque(6.0V): 6.0 kg-cm ( 83.3 oz/in)Torque(7.4V): 8.0 kg-cm ( 111.1 oz/in)Torque(8.4V): 8.8 kg-cm ( 122.2 oz/in)Speed: 0.11 sec (4.8V) │ 0.09 sec (6.0V) Speed: 0.07 sec (7.4V) │ 0.06 sec (8.4V)Operating Voltage:4.8 ~ 8.4 DC VoltsMax Current:7.4V 2.0AGear Type:MetalSpline:25TWeight: 35.0 g (1.23 oz)Size:29.5 x 14.0 x 31.4 mm ( 1.16 x 0.55 x 1.24 in)