Description:

Some new and lightly used t-bolts for the OEM expedition and versatile racks. Also includes four 16" rubber pieces that go into the rack slots. The rubbers are from audi roof rails and fit very tightly. Went to a front runner rack and no longer need them. Price includes shipping to the lower 48.

14 of them (5 new) are the M8 bolts from etrailer.  
https://www.etrailer.com/Accessories.../853-5715.html