I've used this flexible nozzle to successfully feed the wire, but not without problems. The shank allowed for quite a bit of twisting and twisting and got stuck on multiple occasions. However, I know that a lot is asked of a 72 inch flex shaft. It is very important to advance the drill and try to clear the hole of chips regularly to prevent this. It grabs quite aggressively and is difficult to control at times. , Never mind. Maybe I don't really like it because it kinked after one use. I tookβ¦