Help, I forgot-Rod building

[HFT]

I'm kind of lucky SOB,I have been walking past these 6 fiberglass blanks in my basement for years and thinking to myself I should build a rod. Today I decided to do it, lucky enough there was enough stuff left from the store to build dozens. found a struble seat,a cool looking cork,titanium guides. I have to figure out what weight it will be still? I hope it isn't too hard to cast.
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