HiTec 35055S HS-5055MG Digital Metal Gear Sub Micro Servo Motor Type: Coreless Bearing Type: None Speed (48V/60V): 017 / 014 Torque oz/in (48V/60V): 17 / 21 Torque kg/cm (48V/60V): 12 / 15 Size in": 089 x 045 x 094