Savox SH-0261MG Super Torque Metal Gear Micro Digital Servo Dimensions(mm): 22.8X12.0X25.4, Weight(g): 14.0 Speed(@4.8/6.0V sec/60): .13/.10 Torque(@4.8/6.0V oz-in): 25.0/30.6 Gear: Metal, Bearing: 1BB, Case: Aluminum, 21 Tooth Spline 1 Year Warranty Against Manufacturing Defect