This is a pre-soldered Gx16 connector. Supplied is both ends Male end would require soldering based on the location you wish to place this item. *****This item is for current model rotaries in Stock*** And rotaries purchased on or after May 31st 2020. All others I would suggest to purchase the Gx16 connector only based on the fact the A+ A- B+ B- on the stepper motor maybe different