Semroc Body Tube BT-20(Motor Tube) 3.5"(8.89cm) Long SEM-BT-20G
Spiral Wound Craft Paper with White/Glassine Outer Wrap
OD: 0.736"(1.87cm)
ID: 0.710"(1.80cm)
Thickness: 0.013"(0.033cm)
Made in the USA
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BT20G
Needed to finish a build from scratch Apogee I was working on and accidently used the payload tube for the booster body tube.