With such great competition in the worldwide market, it is more important than ever to make sure you are getting a quality product from a trusted source. Specifying ProMoly for you 4130 Steel Tubing will ensure you receive an excellent quality, American Drawn, product. Additionally, Plymouth stands behind its tubing, and provides an accurate test report with each tube ordered. When planning your next project, keep Plymouth Tube Company and the 40 years of manufacturing experience in mind!