RSM9.1   Double Panel Support
6mm (1/4") thick panel    
and on the other side
8mm (5/16") thick panel

with VBP1.1 bolt: ø16mm (5/8")
requires ø8mm (5/16") holes

RSM9.2   Double Panel Support
6mm (1/4") thick panel                  
and on the other side
8mm (5/16") thick panel

with VBP1.2 bolt: ø19mm (3/4")
requires ø8mm (5/16") holes