This is the BT-80 model rocket body tubes by Estes. It’s suitable for ages 10 and older with adult supervision for those under 12.
Includes: Two BT-80 Body Tubes
Inside dimension: 2.56 (65.7mm)
Outside dimension: 2.6 (66mm)
Length: 14.2 (36.1cm)
Note: Use tube couplers to join tubes of the same diameter, or use as support while cutting.