1.Components include base plate, cover, post, bar holder, pipe, adjustable support, tubes 2.The sizes of tubes or posts: 38.1 x 2mm 42.4 x 2mm 50.8 x 1.5mm and so on 3.The pipe would be 10mm, 12mm, 16mm and customized 4.The material of metal is stainless steel 316 or stainless steel 304 5.The surface treatment is brushed/satin or polished/mirror 6.About the height of post and the length of the tube should be based on your project 7.The accessories and components should be valid for you 8.OEM and ODM orders are welcome. Carton.