Quick connect system for 1-3 servos with Multiplex 8 pin connectors.  If you have a soldering iron you can make your own multi wing servo connectors, This is for 2 pairs (enough to do both wings on one plane), connectors have 8 pins, for 3 or more servos you will need to have a common ground. comes with the heat shrink pictured as well.

Bin 303