Our unassembled Deep Brood Beehive Box is ideal for use as Brood Chambers in your hive. Standard use is 2 Brood Chambers per hive. Based on the Langstroth ten-frame design with standard 9 1/2″ frames made from USA Ponderosa Pine with minimal knots, grade 2 or better, this box works with any Langstroth hive. Handle grips on four sides facilitate easy handling. Frame rest included. Easy fit. We recommend assembly shortly after delivery to ensure product quality. Measurements: 16 1/4″ X 19 7/8″ X 9 1/2″. Assembly required. Assembly instructions enclosed. UnassembledUse as 1 the of the bottom 2 boxes in a beehiveUnfinished wood, will allow for any standard wood finish to be appliedMade from pacific northwest ponderosa pineNo holes, minimal knotsMeasurements: 16 1/4″ X 19 7/8″ X 9 1/2″Assembly requiredAssembly instructions enclosed.