Renzetti offers several C-Clamps for their different models. All C-Clamps come with an 8-inch stem and will fit tables with opening from 3/4" up to 2 1/2" thick.

Traveler - Clear Stem - X8000
 
Traveler Series and Tube Vises - X8111
 
Presentation 2000 Series - X8064

Master and Presentation 4000 and 3000 Series - X8002
 
Special Edition Master - X8073