Vim Tools MR-SB100 Magrail TL 3/8″ socket studs and T bolts, 100 each, bag pack, 

Black plastic socket studs with aluminum T bolt

Ribbed and threaded plastic studs

T bolt, with 8-32 threads

For all Magrail TL Tool Organizers

100 pieces packaged in a plastic bag

Vim Tools MR-SB100 MAGRAIL TL 3/8" Replacement Socket Studs and T Bolts, 10 Pack