TWECO 4 STYLE COPPER NECK, JUMP LINER

Designed to be used with the Tweco 4 style Nylon liners, the Copper neck liner assists in transferring current to the contact tip and keeping heat off the nylon liner.

It is important to fit the jump liner to the liner correctly to ensure it works smoothly and efficiently when welding aluminium.

Use with 717347 nylon liner.