Semroc Construction Tool - Fin Alignment Tool for 4.0" (10.16cm) Tubes SEM-TT-40
Tough Fiber Construction
Line up fins on a 4" (10.16cm) tube
Good for 1/8" .318cm) wide fins, or break out the tear away adapter to allow for 1/4" fins
Made in the USA
Semroc Construction Tool - Fin Alignment Tool for 4.0" (10.16cm) Tubes SEM-TT-40
Tough Fiber Construction
Line up fins on a 4" (10.16cm) tube
Good for 1/8" .318cm) wide fins, or break out the tear away adapter to allow for 1/4" fins
Made in the USA
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