The cast iron barbell is made of cast iron, and the surface is electroplated, which can effectively prevent rust and has a longer service life. The overall cast iron, the conventional specification is kg 2.5kg 5kg 7.5kg 10kg 20kg 15kg; the color is black and red, and there are two options for large and small apertures. Suitable for barbells of different diameters; we are a manufacturer specializing in the production of barbells and dumbbells, so we can provide samples, customized LOGO, and other services. Compared with other middlemen, we will be cheaper and can provide environmental protection evaluation certificates.