1)48.3mm diameter * 3.2/4mm thick high grade steel or 4mm grade 43A available
2)pressings in clusters at 495mm intervals that provide connection points for ledgers and transoms
3)Transoms are in the form of inverted or rolled section with wedge fixing devices at each end
4)Fit into lower pressing on standards
If you are interested in our products, please contact me. My MSN is:andyking_yin@hotmai.com, and my company email is:andy@njyuyang.com.
Each one is OK to find me.