2 PACK HS-85MG Mighty Micro Servo High quality and high performance at a great price Speed: 0.16sec/60 at 4.8Volt 0.14sec/60 at 6.0Volt Torque: 3.0kg-cm (42oz-in) at 4.8 Volt 3.5kg-cm (49oz-in) at 6.0Volt Weight: 21.9g (0.77oz) Size: 29 X 13 X 30mm (1.14 X 0.51 X 1.18in)