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You can use these 3 pin couplers to connect 3 pin jumper wires together and create your own extension wires. This is perfect for extending analog sensors or servos! You can also use them to make modular connectors on your breadboard/protoboard so that connecting to other components is even easier.

The pins on these couplers are spaced at .1"/2.54mm, so they're compatible with Electronic Brick/Phidgets sensor cables, hobby servo cables, and most breadboards/protoboard. They are NOT compatible with Grove cables.