We are offering fx697 single needle lockstitch post-bed machine for finishing armholes is 100% same as durkopp 697-2415515155 post-bed machine, can exchange spare parts with each other. The fx697 has been equipped with bottom feed, needle and alternating top feed as well as with fullness distribution control ( optional at the top and bottom ) and with a stitch loosening device, when attaching a shoulder pad, the stitch loosening finger ( that may be engaged manually or automatically ) prevents the pad from being compressed.