Jergens OK-Vise® Grid System Dual Direction Clamp Modules are a component of the OK-Vise® Grid Fixturing System, the new generic-purpose fixturing system. They can be adapted to the grid platforms of leading workholding suppliers. With the Grid Fixturing System, very complex forms of workpieces can be clamped. On a grid platform, you can also combine Jergens OK-Vise® modules with the components of other suppliers.