10-frame beehive addition from Honey Keeper kit comes with everything you need to add a deep super structure to a Langstroth style beehive. Super structure dimensions - 16-1/4" L x 20" W x 9-3/4" H. Easy to assemble with pre-cut dove tail joints， includes heavy duty nails. Premium solid wood construction designed to fit a standard Langstroth hive. Includes a deep hive body box which serve as the colony's living quarters. This is the hive's largest component， holds 10 deep frames of honeycomb. Our Langstroth Beehive addition comes with 10 removable solid-wood frames， with plastic foundations， to support the honeycomb. The frames are deep brood frames and unwaxed hexagonal shaped foundation surfaces， which bees use to make their honeycombs Superior craftmanship with a body of premium fir wood and frames of white pine， this kit has been professional design and crafted to expand a prosperous colony. Quality wood frames are built and assembled to withstand rough handling without reinforcements. The foundations are made of high-grade， durable plastic and will not break during honey extraction， reflecting Honey Keeper's superior quality. This complete kit includes the frames， foundations， and heavy-duty nails to add another tier to an existing beehive quickly and easily. Frames are easy to install and remove from your hive box， making hive inspections more comfortable and faster. Imported WARNING: Prop 65 Notice for CA customers Your security is our number one concern