Wooden Super frames with 7/8` top bar, Hoffman self spacing side bars with grooves and 2 pieces for the bottom bars.


S.N.4 frames are used in a National or WBC super.  S.N.4 frames have hoffman spacing side bars.


  • Top bar- 17″ x 7/8”  (431mm x 22mm)
  • Side bar- 51/2” x 1 3/8” tapering to 7/8” at bottom (140mm x 35mm)
  • Bottom bar- 14″  (356mm)


Available as:-

Flat pack (just frames)


Assembled with  foundation.


Available in packs of 10, 50, 100