S3155 High Speed Slim Digital Metal Gear Micro Servo from Futaba - FUTM0655
If you are looking for a micro size high speed digital servo that has a slim, low profile and works well for 1400 to 2000mm wingspan airplanes, medium and large EDF jets, and 500 sizes helicopters the Futaba S3155 is an outstanding choice that fails to disappoint.
Features:

Metal gears
High speed

Digitally enhanced microprocessors cut about half the response time from transmitter input to servo reaction

Dust and water resistant-not water proof

Compact design is especially suited for easy installation inside the wing of smaller gliders, jets and electric planes

Black plastic case
One year warranty

Includes:

1x S3155 high speed slim digital metal gear micro servo
1x 1" (25mm) star shaped horn
1x 1.5mm (39mm) star shaped horn
1x 1.8" (45mm) straight arm
1x 1.4" (35mm) diameter horn
2x each screws, eyelets, and grommets
Instruction sheet