The GWS Mini servo offers a lot of power in a small package. Comes with several different servo arms as well as mounting hardware.

GWS Mini Servo SPECS:

Length: 1.38"
Width: .67
Height: 1.26"
Weight: .94 ounces
Torque: 47 oz/in at 4.8V / 58 oz/in at 6.0V
Speed: .15 sec/60 degrees
JR-Style universal plug