... 48mm O.D. x 3.2mm thickness high grade steel tube, 1 discal leg 0.5meter, Length: 3000, 2500, ... 48mm O.D. x 3.2mm thickness high grade steel tube, length800mm/ 1500mm, length can be ordered.3. Ring: ... screw jack: length 600mmx3.5mm thickness strength tube, length to be order, solid tube available.6. U head screw jack: length600mmx3 ... Name & Model No. Report Date Test Report SGS Steel Tube 2007/01/15