National DN4 Interlocking Half Frame

Our SN4 National Frames are used in British National and WBC shallow super boxes and come flat-packed. They are Hoffman style which means they are self-spacing and require no lug spacers.

All our SN4 frames are 1^st quality and contain no knots.

Frame nails not included.

Our DN4 national frames are used in British National and WBC deep brood boxes and come in packs of 10, assembled and pre-wired with foundation embedded.

• Top bar- 17″ x 1″ (431mm x 22mm)
• Side bar- 8½” x 1 ³/₈” (216mm x 35mm)
• Bottom bar- 14″ (356mm)

All our DN4 frames are 1^st quality and contain no knots.