What are the differences in the Daiwa Black Widow 25a and the 5000a?
Which is the better reel?

In reply to Post #1
Which is better ? that really depends on what you are fishing for how far your casting etc etc

Specifications are here

https://www.daiwasports.co.uk/categories/Carp/Reels

For 10ft rods get the Black widow 25A, the 5000a is 675gram and overkill for 10ft...