Designed for precision and reliability, this ER4043 aluminum TIG rod from Washington Alloy is an essential addition to your welding toolkit. With a diameter of 3/32 inches and a length of 36 inches, this filler metal is formulated to provide excellent weld quality, featuring a balanced composition with silicon content between 4.5% and 6.0% for optimal fluidity and appearance in welds. Weighing 10 pounds, this rod meets the AWS A5.10 specifications, ensuring compatibility and performance for various aluminum welding applications. Whether you're a professional welder or a DIY enthusiast, this TIG rod is engineered to deliver strong, durable welds that withstand the test of time.