This is the Hitec/RCD #31225S HS-225BB Mighty Mini Ball Bearing Servo with Futaba J, Hitec/JR/Airtronics Z style connector. Connector is compatible with all modern receivers and wiring accessories. FEATURES: Mini servo with ball bearing and plastic gears Great for small planes and hand launch gliders. INCLUDES: 1 HS-225BB servo with pre-installed circular horn 1 Straight horn 1 "X" horn 1 Adjustable arm 4 Black rubber grommets 4 Brass servo eyelets 4 Servo mount screws SPECIFICATIONS: Length- 32.4mm (1.3") Weight- 27g (0.95oz) Width - 16.8mm (0.7") Torque- 3.9 kg-cm (56.4 oz-in) Height- 30.8mm (1.2") Speed - 0.14 sec/60° COMMENTS: replacement parts: HRCM6341 6341 Gear set 6342 Servo case set HRCM6315 6315 Horn set HRCM6336 6336 Hardware set 8471 Ball bearing Servo wire lead is about 10" long AXY 12/28/96 UPADTE JMM 2/8/03