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My grade 10 students sure love the unit in mid power rocketry! The rockets were sent to us within a week. Blast off was done 2 weeks later. I can't...Read More ->
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Use the Delay Adjustment Tool for timing delays for Pro24 (Pro24 Centering Ring Required), Pro29 (Pro29 Centering Ring Required), Pro38 Reloads.
This tool is not compatible with reloads of any other brand.