1. studs M 56x5,5 – 720 mm 112 pcs ASME B1.13M material SA 193Gr.B7 2. Nut M 56 x 5,5 448 pcs ASME B18.2.4.6M -2010 material SA 194Gr.2H China is not alowed 3. Studs M 56 x 5,5 – 540 mm 112 pcs ASME B1.13M material SA 193Gr.B7 EN 10204-3.1