Futaba S3010 Servo Std BB 0.16s/6.5kg (P-S3010) Medium duty, standard sized servo with that bit of extra power & speed. Ideal for sport applications. Single ball bearing. Specification: Weight: 41g Dimensions: 40 x 20 x 38.1mm Speed: 0.16 sec/60° (6.0v) Torque: 6.5 Kg/cm (6.0v) Voltage: 4.8v/6.0v