The ESAB Aluminum Electrode Wire ER4043 with a diameter of 0.030 inches (0.8mm) is a high-quality welding wire designed for aluminum welding applications. With a roll weight of 1 lb, this wire is ideal for use in various industrial and manufacturing settings. Trusted for its reliability and performance, this welding wire is a must-have for professionals in the welding industry looking to achieve precise and durable welds. This item is brand new and never used but does have a tear in the plastic wrap on the item.