Grooved Top Bar/Grooved Bottom Bar Frames. UNASSEMBLED
18% more wood in end bars ( Full 3/8" Thickness). Grooved bottom bar is stronger and easier to use. Foundation is placed in bottom bar groove and top bar groove. This frame works best with Duragilt (F39610) or Plasticell (F37000) foundation Fits 9 5/8" hive bodies (Deep Supers) Not assembled.