This is the Hobbico Standard Size Digital High Torque High Speed Dual Ball Bearing Metal Gear Servo. FEATURES: Ideal for use in nitro or electric boats, cars, helis and .20-1.60 size airplanes Modern microprocessors help reduce the response time from transmitter input to servo reaction One year warranty INCLUDES: Digital High Torque High Speed Dual Ball Bearing Metal Gear Servo and 10" (254mm) lead SPECS: Speed: at 4.8V = .17 sec @ 6V = .14 sec Torque: 4.8V = 110 oz-in (7.92 kg/cm) 6V = 131 oz-in (9.43 kg/cm) Length: 1.59" (40.6mm) Width: .79" (20.3mm) Height: 1.5" (38.1mm) Weight: 2.11oz (59.8g) Lead Length: 10" (254mm) COMMENTS: The following parts are available, Gear Set (HRCM5302), Case Set (HRCM5402), Servo Horn (HRCM6315) Servo Mounting Hardware (HRCM6336 jxs 9/21/06