The XVS Line Lateral Iso Back Extension is designed for specialized training in the erector spinae muscles, providing a safe and effective way to strengthen the lower back. The counterweight system promotes constant resistance, ensuring a workout superior.Com 50x100 mm rectangular steel tubes with a thickness of 3.5 mm, the robust design minimizes the use of welds, ensuring greater durability. Automotive-grade electrostatic paint and finish options offer a modern aesthetic and long-lasting protection against wear and corrosion, seamlessly integrating into your gym environment.