This is the Hitec HS-65HB Mighty Feather Micro Servo with Universal Futaba J, Hitec S, JR and Airtronics Z Connector.

FEATURES: HS-65HB has long lasting and durable Karbonite gears One of the slimmest micro servos available Hitec's most powerful servo in the micro class The HS-65HB was created for higher performance micro helicopters, electric Park Flyers, & 1/18 scale cars, and features a top ball- bearing for long life and positive centering

INCLUDES: (1) HS-65HB Micro Servo (4) M1.7x7 servo mounting screws (1) Two-sided servo horn (1) One-sided servo horn (1) M1.7x3 servo horn screw (1) Four-sided servo horn

SPECS: Length: 0.92" (23.6mm) Width: 0.45" (11.6mm) Height: 0.94" (24mm) Weigth: 0.38oz (11.2g) Speed: 0.14/60° @ 4.8V Output Torque: 24.99 oz-in @ 4.8V

COMMENTS: For replacement Gear Set, order HRCM5014. JBM 12-22-05  

BOX DIMENSIONS: 2.00" W. X 1.88" H. X 2.50" L. BOX WEIGHT: .05 LBS.