National Beehive Brood Frames DN4 10 + FREE nails. This offer is for a set of 10pcs (with free nails) flat packed DN4 Brood Frames for National Bee Hive. This product is may include minor knots which will not affect the strength. As this is made from natural wood, the shade of the colour can vary slightly from the picture. Does not include glue. Further discount may apply if you require more that one pack. THANK YOU FOR SUPPORTING OUR FAMILY BEE FARM!