National Standard Self Space Shallow Super / Deep Brood Frames 2nd's Quality- (Bee Keeping Equipment)

DN4 National Standard Self Space Shallow Super Frames designed for beekeepers managing honey production and hive expansion. These frames feature self-spacing technology to maintain consistent bee space without additional adjustments, reducing setup time and labour. Built to National Standard specifications, they integrate seamlessly with compatible hive equipment. Second's quality frames offer excellent value—fully functional with minor cosmetic variations that do not affect performance. Ideal for beekeepers prioritising cost-effectiveness without compromising structural integrity. Suitable for shallow supers in both commercial and hobbyist apiaries. Each frame supports natural comb building and honey storage whilst maintaining proper hive ventilation and bee movement. Durable construction withstands repeated use and seasonal demands. SN4 frames are used in a National or WBC super. SN4 frames have Hoffman spacing side bars and are becoming more and more popular. Identical to DN4 frames but have the shallow side bars for supers. Each frame consists of:- 1 x Top bar- 17" x 7/8" (432mm x 22mm) 2 x Side bar- 51/2" x 1 3/8" tapering to 7/8" at bottom (140mm x 35mm, tapering to 22mm) 2 x Bottom bar- 14" (356mm) Identical to SN4 frames but have the deep side bars for broods. One frame consists of:- 1 x Top bar - 17" x 7/8" (431mm x 22mm) 2 x Side bar - 8½" x 1 3/8" tapering to 7/8" at bottom (216mm x 35mm) 2 x Bottom bar - 14" (356mm)