Designed for optimal performance in MIG welding, these contact tips from Weldmark by Tweco are crafted to enhance electrical conductivity and extend the life of your MIG gun. With a heavy-duty work rating and compatibility with various MIG gun series, including the Weldmark® 150 amp and Spool Gun models, these tips are engineered from high-quality copper alloy to ensure a smooth and consistent surface for superior welding results. The innovative threaded design allows for secure attachment to the gas diffuser, while the easy identification markings simplify the selection process. Additionally, these tips feature a unique wear point system, enabling users to easily expose a fresh surface for prolonged use, making them an essential consumable for professionals seeking reliability and efficiency in their welding applications.