If you recognize this extra spool and can use it, GREAT.
Just send me something in return, spey tying materials, whatever!
Looks identical to the Bauer JM5 i used to own and yes it did have the same handle. looking at the ruler that reel is close to 4" if not exactly 4 inches, using a tape measure would be better
EDIT - to add picture of the Bauer JM5 i had to prove that they used to come with the wood handle