Yup... It's a DC power plug jack. Exciting stuff.
Check this action out - It's a panel mount toggle switch, yay! This switch is unique in it's operation as it has a spring inside that automatically returns the switch to the center-OFF position.
SparkFun's collaborative effort with Brian Schmalz makes the EasyDriver stepper motor driver compatible with anything that can output a digital 0 to 5V pulse.
Male Strip - 5 per Strip, 0.1" spacing
Micro Deans plugs are usually used in RC vehicle applications but can also be used for all kinds of other high current, small form factor projects. They even have a polarity protection feature built into the design, bonus!