This message was posted by levelbest on AmayaUsers.com. PLEASE DO NOT REPLY VIA EMAIL. Instead, respond to the thread on the WEBSITE by clicking here: http://www.amayausers.com/boards/ultimatebb.php?/topic/1/672.html#000002 I did the Thread Break Sensor kit a few years ago on both my original big reds. I think the advantage is better actifeed sensing. It was a pretty easy swap out and took about 10 minutes or so per machine. Overall, I'd say it was worth the upgrade and the machines seem to sew more accurately - however, if you aren't having a problem with actifeed and you like the way your machine sews.... =========================================================== The AmayaUsers Mailing List Website: http://www.amayausers.com Discussion Board: http://www.amayausers.com/boards Subscribe/Unsubscribe: http://www.amayausers.com/list ===========================================================