Our Ring lock system, working as a highly flexible scaffolding for multiple applications.The system is designed on standards with 50cm spaced collars, each collar has 8 holes to fix elements that provide high stiffness and stability to the structure.It is certified under the European standards EN 12810 -1/2 and EN 12811- 1/2/3.Surface finishing in hot dipped galvanization for anti-rusting and durable using.Specificaiton:-. Standard tubes made by O. D48X3.2mm with grade Q345-. Horizontal tubes made by O. D48X2.5mm with grade Q235-. Diagonal brace made by O. D33x2.3mm with grade Q235-. Verticle round plate made in 10mm thickness platesFor more details, please contact us for user guide.