Top-Bar Hive Nucleus Box

New style top bar hive nucleus box made from clear, FSC® certified Douglas Fir. Fits 19" top bars. This nucleus box does not fit the old style 17⅜" long bars.  The perfect box for swarm catching, splits, and overwintering nucleus colonies. Easily transfers combs and bees to and from full sized Bee Built top bar hives.  Includes 19" wide, 14" long, 9" tall douglas fir top bar hive nucleus box 22" long x 15¾" wide telescoping cover 8 19" x 1⅜" one piece douglas fir top bars with wedge comb guides 1 divider board Stainless steel screws Assembly Instructions Tools required Drill or screwdriver with Phillips head bit Approximate assembly time: 15 minutes Learn more about our Shipping and Return Policy.