The PROFAX LINER TWECO 4 0.9 - 1.2MM STEEL 25' is a welding contact tip liner designed for use with Tweco 4 MIG welding torches. It is compatible with steel wire diameters ranging from 0.9mm to 1.2mm and comes in a 25-foot length, providing reliable wire feeding performance for industrial welding applications.

This liner ensures smooth wire delivery and reduces friction inside the welding torch, which helps maintain consistent arc stability and weld quality. It is suitable for professional welders working in fabrication, manufacturing, and maintenance environments where precision and durability are essential.

• Brand: PROFAX
• Compatibility: Tweco 4 MIG torches
• Wire Diameter: 0.9mm to 1.2mm steel wire
• Length: 25 feet
• Material: Steel