Hello, up for auction is this lot of 10 Branson Ultrasonic welder tips; these screw into end of horn. Know very little about these, worked with a older Branson unit back in early 1990's briefly, these tips are from that time period. I have listed them as used since they are no longer in any kind of factory packaging, but some of these parts may have never been used.  This lot of parts is being sold as-is with no return, so look at photos carefully. Part numbers are written on the bags these are in, again, not factory packaging.  Part numbers:  100-098-249,   100-098-395,   101-148-035,   101-148-010 (2 pcs),   101-148-024,   101-148-051,   100-098-790,   101-148-023,   101-148-009.  Parts sent USPS for $6.95.  Thanks for looking.