This Model Rocket Accessory Package Includes 3 BT-60 Body Tubes by Estes. / / FEATURES: High quality spiral wound paper tubes. / Strong and lightweight. / Used for custom model rockets or repair work. / Plain brown tubes with a thin wax coating. / Can be cut to needed length. / / INCLUDES: Three BT-60 Body Tubes / / SPECS: Length: 18"" (45cm) / Diameter: 1-5/8"" (4.2cm)