Beahm Designs Hot Box for catheter tipping and joining.
This takes a heat gun to another level with +/-2 degrees F accuracy on the temperature and has airflow for cooling.
This box goes for $3500 new without the 1/2" wide U shaped heater accessory which goes for another $690
It also includes a foot pedal control for the air.
It is typically used for tubing bonds, shaft necking, shrink tubing assemblies, tubing recovery, tubing drawdown and multi-lumen junctions.