Estes Rockets BT-20 Body Tube (4 pk)

A high quality spiral wound paper tube for kits using the BT-20 body tube.

Use tube couplers to connect tubes of the same diameter.

Four tubes per package.

Use with the NC-20 nose cone

Inside Dimension: .710 in (18mm)
Outside Dimension: .736 in (18.7mm)
Length: 18 in (45.7 cm)