RSM13.1 Double Panel Support
Max. thickness (holes): 6mm (1/4")            
Requires ø8mm (5/16") holes
VBP1.1 bolt: ø16mm (5/8")

Max. thickness (no holes): 8mm (5/16")


RSM13.2 Double Panel Support 
Max. thickness (holes): 6mm (1/4")       
Requires ø8mm (5/16") holes
VBP1.2 bolt: ø19mm (3/4") 

Max. thickness (no holes):
8mm (5/16")

This versatile support can accomodate 2 parallel panels, one with holes and one without.