According to my research, the set should contain the following items:
6 x M6 screws (15 mm)
10 x M6 screws (35 mm)
26 washers (D6.4 x D14.0 1.2 mm)
12 x M6 nuts
2 metal rods (335 x 30 x 27 mm)
2 metal rods (20 x 20 x 1.5 x 550 mm)
3 metal rods (280 x 25 x 28 x 2 mm)
2 metal rods (20 x 20 x 1.5 x 200 mm)
2 metal rods (185 x 15 x 2 mm)
2 rubber dampers (20 x 20 x 4 mm)