Designed for optimal performance in MIG welding applications, this Fastip contact tip from Miller Electric is crafted to accommodate .312" OD aluminum wire ranging from .052" to 3/64". Manufactured in the United States, it ensures reliable conductivity and durability, making it an essential component for achieving high-quality welds. Ideal for both professional welders and hobbyists, this contact tip enhances the efficiency of your welding setup, allowing for precise and effective operation.