SCREEN Bit # Size Wood Image CAD SI-2I 1/2" x 1-1/16" White Pine Download DWG Download REVIT SI-142 1/4" x 3/4" White Pine Download DWG Download REVIT SI-144 1/4" x 3/4" White Pine Download DWG Download REVIT SI-140 1/4" x 3/4" White Pine Download DWG