This is the HS-85MG+ Mighty Micro Servo from Hitec with
Universal Futaba J, Hitec S, JR and Airtronics Z Connector.
Connector is compatible with all modern receivers and wiring accessories.
FEATURES: Lightweight and small; ideal for sailplane or weight-sensitive
applications
Metal gears
Aluminum output gear
Shock protected POT
INCLUDES: One HS-85MG+S metal gear micro servo
Two screws, grommets and eyelets
Two servo arms and one wheel
SPECS: L: 29mm x W: 13mm x H: 30mm (1.14" x 0.51" x 1.18")
Transit: 0.16 sec/60° (4.8V) 0.14 sec/60° (6.0V)
Torque @ 4.8V: 3.0 kg-cm, (41.66 oz-in)
@ 6.0V: 3.5 kg-cm, (48.6 oz-in)
Weight: 21.9g (0.77oz)