The columns are welded by high-quality square carbon steel tubes, which adds strength for improved stability.
The crossbeam is made of high-quality welded tube and a rubber spring device that increases shock absorbency.
Equipped with 6mm stainless steel cable, 4 tighteners, and a quick-release tension system.
The steel cable is attached to the rubber spring system.
The double tension system strengthens stability.
The ring also has anti-fracture, and moisture absorption.
Made of composite wood material.
Height adjustment: 275cm-300cm, with increment of 5cm.
Width between columns: 316cm and with the distance between two rings being 50 cm.