Harper & Bright Designs BARTHOLDI SOFA SET WF190610AAC Assembly Instructions Manual page 4

Hardware list
1
Bolt M6 x 25 mm (4 pcs) Bolt M6 x 35 mm (23 pcs)
4
Bolt M6 x 60 mm (6 pcs)
2
5
Allen key M4 (1 pc)
3
Bolt M6 x 40 mm (16 pcs)