Do you have a wobbly table leg? What about some shelves that need more support? Whatever you welding project is Boltmaster Square Tubing is what you need to get the job done. It’s made from low carbon steel and hot rolled so that it can be welded, heated,Features Low carbon steel Hot rolled For repair work, table legs, auto, tractor repair, shelving, stakes and supports Can be welded, heated, bent and saw cut Specifications Gauge: 16 Size: 1/2" x 36"