we can supply 57g-9kg Digital Servo Wire Length: 20cm Dimension: 42.0*20.5*39.5*49.0*10.0mm Weight: 57g(2.01oz) Speed: 0.13 sec/60 degree (4.8V) / 0.11 sec/60 degree (6.0V) Torque: 8.7kg-cm / 121.0oz-in (4.8V) / 9.6kg-cm / 133.6oz-in (6.0V) Rotation Angle: about 60 degree