Semroc Body Tube BT-30 6.13" Long SEM-BT-30B
Spiral Wound Body Tube with Glassine Outer Wrap
OD: 0.767"(1.93cm)
ID: 0.725"(1.84cm)
Thickness: 0.021"(0.055cm)
Made in the USA
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BT-30
The body tubes, the nose cones and the fin material are the parts I need to build my Astron Mark model rocket (clones). Too bad the balsa engine blocks are not there, also! Thanks again for having these parts available to the Old Rocketeers out there!!!