generally speaking the bigger the delay the higher the bonus. I dont know exact bonuses though 8(
i can remember many a year ago a warrior friend of mine got hold of a
Weighted Axe. he didnt use it as his regular weapon, but whenever his reposte disc was up he'd round up a few extras on the pull and whip this badboy out. the damage was insane
2H get a bigger bonus as well due to not being able to dual wield