This is a slatted bottom board for Japanese honeybee top-bar hives. It has a 3cm-high frame. There is space available for feeding, menthol, formic acid, and other care. See photo 6 for an example of use. Made with international cedar wood. A carpenter does the sawing and handles everything from cutting to production. Although it is new and unused, there may be scratches, knots, etc. on the wood, so it is listed as having some scratches and dirt. Please understand the minor details. The photos are samples. 【Dimensions】 Slatted bottom board: 290 x 290 x 12mm Frame: 290 x 290 x 30mm 1 piece: 3500 yen 2 pieces: 6200 yen For an additional 200 yen, we will apply Japanese honeybee beeswax. Please use it for swarm traps! If you wish, please comment. We are selling Japanese cedar boards for top-bar hives. We also plan to sell a complete set of hives. ☆Please be sure to read the profile section. ☆We have set the price considering the production cost, shipping, and fees, so we cannot offer a discount. Thank you very much! ^ ^