This is a Hitec HS-755HB Quarter Scale Servo with
Universal Futaba J, Hitec S, JR and Airtronics Z Connector.
FEATURES
Ball bearing
Karbonite gears
INCLUDES
One servo
Black round servo horn
Black long and short double straight servo horn
Black long and short single straight servo horn
Four servo grommets
Four brass eyelets
Four S/T servo mounting screws
Decals
SPECIFICATIONS
Length: 2.32" (59mm)
Width: 1.14" (29mm)
Height: 1.96" (50mm)
Weight 3.88oz (110g)
Operating speed: .28 sec/60 degree at 4.8V
Output torque: 152.75 oz-in (11 kg-cm) at 4.8V