1.Alloy construction.High-strength aluminium is longer life and more durable. 2.Welded joints.we have a confidence that welded joints is of the highest quality.Virtually indestructible. 3.Automatic locking brace hooks.easy-release catch design aids dis-assemble and large contact area gives a firm grip. 4.Automatic,quick-adjust leg locks. Allow quick and easy levelling on rough or uneven sites 5.Cast aluminium hooks. It's very durable for arduous site condition-resist damage 6.All tower systems meet or exceed National and international safety standards.User safety is our priority.