This is the Futaba Ball Bearing Equipped S3016 Mini Servo with Metal Gears.

FEATURES: For airplane, glider and small electric helicopter applications
          Metal gears
          Two ball bearings
          One year limited warranty through manufacturer beginning at date of
            purchase

INCLUDES: Futaba S3016 Mini Servo with Universal Connector, 0.83" (21mm)
            diameter round Horn, 1.4" (35mm) diameter round Horn, 1.2" (32mm)
            six-point Horn, 1.5" (39mm) four point Horn, four each eyelets,
            grommets and 1.5 x 11mm mounting screws

REQUIRES: Installing in aircraft, connecting to receiver and attaching linkage

SPECS:    Size: 1.2 x 0.6 x 1.2" (1-3/16 x 9/16 x 1-3/16) (31 x 16 x 31mm)
          Weight: 1.2oz (1-3/16oz) (34g)
          Torque: 47 oz-in @ 4.8V (3.4 kg-cm)
                  58 oz-in @ 6V (4.2 kg-cm)
          Speed: 0.25 sec/60° @ 4.8V
                 0.20 sec/60° @ 6V

                                                                   jxs 10/26/09
                                                                         ir/jxs