This diffuser from Miller Electric is designed to enhance your welding experience with precision and reliability. Crafted for MIG guns and parts, it features a fastip collar suitable for .281/.312" outer diameters and includes a 1/8" aluminum recess, ensuring optimal performance in various welding applications. Made in the United States, this accessory is an essential addition to your welding toolkit, providing durability and efficiency for both professional welders and enthusiasts alike.