By Heather Burlingame, Senior Production Editor | September 28, 2010

BernardCompatible with the company's Q-gun for MIG welding, Jump Liners connect with standard liners at the base of the Q-gun's rotating neck, then run through the most common wear points to the contact tip. When a Jump Liner becomes worn or contaminated, operators detach the Q-gun's neck from the handle, replace only the Jump Liner, and reattach the neck.