Parts for Rockets - Centering Rings - Fits ST-13 tube

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Semroc Plywood Block or Bulkhead for ST-11 tube(2 ring set) SEM-PB-11 *

MSRP:

Was:

Now: $1.59

Semroc Plywood Bulkhead or Block for ST-11 tube(2 ring set) SEM-PB-11P Used as lightweight bul…
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Semroc Plywood Block or Bulkhead for ST-9 tube(2 ring set) SEM-PB-9 *

MSRP:

Was:

Now: $1.39

Semroc Plywood Bulkhead or Block for ST-9 tube(2 ring set) SEM-PB-9P Used as lightweight bulkh…
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Semroc Plywood Block or Bulkhead for ST-8 tube(2 ring set) SEM-PB-8 *

MSRP:

Was:

Now: $1.29

Semroc Plywood Bulkhead or Block for ST-8 tube(2 ring set) SEM-PB-8P Used as lightweight bulkh…
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Semroc Centering Rings Fiber ST-7 to ST-13 with engine hook slot(2 ring set) SEM-CR-713EH *

MSRP:

Was:

Now: $1.49

Semroc Centering Rings Fiber ST-7 to ST-13 with engine hook slot(2 ring set) SEM-CR-713E…
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Semroc Centering Rings ST-10 to ST-13(2pk) Plywood SEM-CR-10-13P *

MSRP:

Was:

Now: $2.29

Semroc Centering Rings ST-10 to ST-13(2pk) Plywood SEM-CR-10-13P Laser-cut rings for centering a ST-…
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Semroc Plywood Block or Bulkhead for ST-13 tube(2 ring set)(same CR-13P) SEM-PB-13 *

MSRP:

Was:

Now: $2.29

Semroc Plywood Bulkhead or Block for ST-13 tube(2 ring set) SEM-CR-13P Used as lightweight bulkheads…
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Semroc Centering Rings Fiber ST-9 to ST-13(2pk) SEM-CR-9-13 *

MSRP:

Was:

Now: $1.29

Semroc Centering Rings Fiber ST-9 to ST-13(2pk) SEM-CR-9-13 Laser-cut rings for centerin…
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Semroc Centering Rings Fiber ST-7 to ST-13(2pk) SEM-CR-713 *

MSRP:

Was:

Now: $1.49

Semroc Centering Rings Fiber ST-7 to ST-13(2pk) SEM-CR-713 Laser-cut rings for centering…
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Semroc Centering Rings Fiber ST-5 to ST-13(2pk) SEM-CR-513 *

MSRP:

Was:

Now: $1.49

Semroc Centering Rings Fiber ST-5 to ST-13(2pk) SEM-CR-513 Laser-cut rings for centering…
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Semroc Centering Rings Fiber ST-10 to ST-13(2pk) SEM-CR-10-13 *

MSRP:

Was:

Now: $1.49

Semroc Centering Rings Fiber ST-10 to ST-13(2pk) SEM-CR-10-13 Laser-cut rings for centering a ST-10…