Estes BT-80 Body Tube Pack - Includes 2 Tubes that fit NC-80K or NC-80B Nose Cones (3090)Two BT 80 body tubes per package. Use with NC 80K or NC 80B nose cones (sold separately). Strong and lightweight plain brown tubes with a thin wax coating perfect for payloaders Used for custom model rockets or repair work Can be cut to needed length. Use tube couplers to join tubes of the same diameter, or use as support while cutting. Can be used as impressive single stage rocket, or it can be coupled with a second BT 80 Body Tube using our BT 80