Step 8:  Select Your Contact Tip

Select the contact tip appropriate for your welding application from the list below and enter the OPTION code as the 8th digit in your ThruArm Series MIG Gun part number:

TYPE SERIES # OPTION
TOUGH LOCK Heavy Duty (HD) 403-20 1
TOUGH LOCK Heavy Duty (HD) Taper 403-21 2
TOUGH LOCK Standard Duty (SD) 403-14 3
TOUGH LOCK Extended Life Heavy Duty (EXHD) 403-27 4


Proceed to Step 9:  Select Your Wire Size