Estes tubes, light weight, straight and good build quality. Everything you could ask for in a low power rocket tube. Perfect for use as a main body tube and makes for an impressive sized rocket when you couple 2 or 3 together. The BT-80 tube will fit 3 D engines clustered together for a very exciting rocket launch. Shiny coating makes for a decent paint finish but doesn't inhibit glue adhesion. All around great tube.
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