- Automated MIG Welding
- Semi-Automatic MIG Welding
- Consumables and Parts
- Anti-Spatter Liquid
- Online MIG Gun Configurators
- Publications
- Product Literature
- Tregaskiss Videos
- Warranty
- For Distributors
- Tregaskiss Store

Step 10: Select Your Contact Tip
Select the contact tip appropriate for your welding application from the list below and enter the OPTION code as the 10th 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 |
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