This is the New S5050 High Torque 1/4 Scale Digital Servo from Futaba. It is used for R/C airplanes, 1/5 Scale gas cars and power boats.

FEATURES:
Exceptional strength for operating large control surfaces with ease, and can be used to replace dual servo applications on elevators and ailerons.
High torque
Metal gears
Dual ball bearing
Dust and water resistant
Heavy Gauge leads for low current resistance
One year warranty
5-Pole Motor

INCLUDES:
One S5050 High Torque 1/4 Scale Digital Servo with Futaba J male connector.
Four brass eyelets
Four large Black rectangular rubber grommets
Four 2 x 11mm servo mounting screws
Three servo horns (1 lg. round FUTM2035, 1 lg."X", 1 sm. 6-arm)
(has a large splined shaft)
Includes a 3x8mm servo horn screw.

SPECS:
Speed: 0.25 sec/60¢X @ 4.8V
0.20 sec/60¢X @ 6.0V
Torque: 211 oz-in (15.2 kg/cm) @ 4.8V
264 oz-in (19.0 kg/cm) @ 6.0V
Dimensions: 2.3 x 1.1 x 2.0" (59 x 29 x 50mm)
Weight: 4.5oz (127g)
Connector: Male "J" type with approx. 5" wire