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CR-18/24 (50 Pack)
Original price was: $24.25.$16.98Current price is: $16.98.
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Centers an 18mm tube (also called a BT-20) inside of a 24mm tube (BT-50 size). This ring is great for making engine mounts for the standard A,B,C size engines, or it can be used as an engine block for 24mm rocket motors (the Estes D size). Package of 50 pieces.
| Model | 13030 |
|---|---|
| Qty per pack | 50 |
| Material | Green Paper |
| Weight | 0.76 g (0.03 oz) |
| Length/Thickness | 0.25" (0.64 cm) |
| Inner Diameter | 0.740" (1.88 cm) |
| Outer Diameter | 0.945" (2.4 cm) |
| Manufactured by | Apogee |
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