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Semroc Centering Rings Plywood ST-9 to ST-18(2pk)  SEM-CR-9-18P

Semroc Centering Rings Plywood ST-9 to ST-18(2pk) SEM-CR-9-18P

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$4.19
SKU:
SEM-CR-9-18P
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Semroc Centering Rings Plywood ST-9 to ST-18(2pk)  SEM-CR-9-18P

Laser-cut plywood rings which center an ST-9 motor tube inside an ST-18 tube

Especially useful for making a 24mm engine mount for ST-18 rocket bodies

ID= 0.998"

OD= 1.8"

Thickness: 0.125"

Warranty for 1 year from manufacturer defects