Onefinity Extension wires are made to extend the factory wires. They go between the controller and factory wires. They are not wire replacements.
The wires are sold in packs of 2. To extend all the factory wires on a machine, you will need to purchase two packs of wire extensions (for a total of 4 wire extensions).
You can purchase them here:
(2 foot long)
(4 foot long)