Comes with a complete kit】The kit includes: 1 pack: 1 post + 1 expansion screw. 2 packs: 2 columns + 2 expansion screws. 5 packs: 5 posts + 5 expansion screws. 10 packs: 10 posts + 11 expansion screws. If you have any questions about the installation after receiving the package, we can send you a detailed installation introduction. 270° Adjustable Brackets】The stair railing post comes with 270° rotatable and adjustable flat railing link brackets, you can install wooden or steel square rails, suitable for flat stairs and stairs Very Special Indoor Deckorator】Our railings have been modernized and improved to be thicker, stronger, and more durable. Their rod is designed to be cut to the desired length with professional tools. A matte finish will enhance your interior and make it unique. Applicable Scene】The stair baluster posts due to the characteristics of their material can be widely used with balusters in various places such as home, courtyard, villa, garden, terrace, attic, house, porch, farmhouse, entrance, balcony and hotel The stair baluster posts are widely used outdoor or indoor. Suitable for deck, steps, porch, yard, balcony, and other places that need fence protection., Manufacturer: BCJMKDX