1. Specification: 72 * 60100cm. The 2 main steel pipes are welded and formed, treated with electrostatic spraying, with a smooth and flat surface, uniform color, and no adverse phenomena such as pulling marks, pitting, blistering, peeling, and exposed bottom. 3 armrest jackets made of soft foam. 4 Purpose: To improve the range of lower muscle activity and muscle strength endurance training