Think you're in trouble, you don't have the actual tonneau cover on that list
Seriously though, full parts list includes:
Tonneau cover *1
Mounting bracket LO10248 *2
Mounting bracket LO10249 *2
Spacer 6-10 *2
Rawlnut M4 *2
Cross recessed screw M4x25 *2
Washer M5 *2
Cross recessed screw M6x16 *2
Washer M6 *2
Turning Knob *4
Nut M6 *4
Adhesive rubber *1
and, of course, the elusive installation manual
As you can guess I have the instuctions as well, if 3FIDDYZ can't find his