15 ft replacement gun cable monocoil liner designed for .030-.035 inch (0.8-0.9 mm) wires. Liners help ensure efficient feeding of the wire from the spool, through the gun and to the contact tip. For use with M-10, M-15, M-25, M-40, M-100 or M-150 MIG gun (standard gun on most Millermatic MIG welders).