This horn with tips is Horn 2 of two that I am selling on eBay. Each separately, but almost identical. This is for ONE - 40kHz horn with a 1/2" face tapped to accept all tuned domestically (SAE) made tips. Very versatile tool.
Mounting stud fits all domestic 40kHz weld systems (Branson/Dukane/Sonics).
Horn made of 7-4 titanium. It comes with three replaceable tuned tips - one flat, one medium male knurl and one spot welding tip.