We sell and rent the Otto Arc TPWH-C series weld heads in many sizes:

TPWH-C-1 for up to 1" tube

TPWH-C-1.5 for up to 1.5" tube

TPWH-C-2 for up to 2" tube

TPWH-C-3 for up to 3" tube

TPWH-C-4 for up to 4" tube

TPWH-C-5 for up to 5" tube

​

These affordable weld heads get the job done for a fraction of the price of the other brands.