Crafted by Washington Alloy, this ER4043 aluminum TIG rod is designed for optimal performance in welding applications. Measuring 1/16 inch in diameter and 36 inches in length, it is formulated with a balanced aluminum composition, ensuring excellent fluidity and a smooth weld bead. With a silicon content of 4.5-6.0% and minimal impurities, this filler metal is ideal for welding aluminum and its alloys, providing strong and durable joints. Weighing in at 10 pounds, this rod meets AWS A5.10 standards, making it a reliable choice for both professional welders and DIY enthusiasts looking to achieve high-quality results.