The JobSmart 0.025 in. Solid Welding Wire features a carbon steel core and powerful deoxidizers. This makes it ideal for porosity-free welds. In addition, users often see less spatter and a strong feeding capacity when working with this welding wire. It's suitable for both single and multi-pass welding jobs. Each order comes with a 2 lb. spool of 0.025 in. solid welding wire. Satisfaction guaranteed.