These frames are produced by E.H. Thorne and flat-packed for self-assembly (includes pins)
- Pack of 10 frames.
D.N.1 frames are used in a standard depth National or WBC brood body:
- Top Bar - 17" x 7/8" (431mm x 22mm)
- Side Bar - 81/2" x 7/8" (216mm x 22mm)
- Bottom Bar - 14" (356mm)