Semroc Body Tube BT-20 8.65"(21.97cm) Long SEM-BT-20B
Spiral Wound Kraft Paper with White/Glassine Outer Wrap
OD: 0.736"(1.86cm)
ID: 0.710"(1.80)
Thickness: 0.013"(0.033cm)
Made in the USA
Warranty for 1 year from manufacturer defects
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