Engineered for superior performance, the Weldmark by Tweco® MIG contact tips are designed specifically for 150 amp MIG guns, providing exceptional reliability and longevity. Made from high-quality copper alloy, these tips feature a threaded connection for secure attachment to gas diffusers, ensuring optimal electrical conductivity and a consistent welding experience. With a precision bore diameter and a robust thick-walled diffuser design that effectively dissipates heat, these contact tips not only enhance the quality of your welds but also double their lifespan. Ideal for a range of welding applications, they are compatible with various MIG gun series, making them a versatile choice for both professional welders and enthusiasts alike.