I used the White Diamond for a while, but never could get to where I loved it. It broke well and was better than the tip it replaced, but the feedback was really off to me. It felt dead like hitting with a rock. I switched to the Bulletproof and have really liked breaking with it. It seems like I have more control as well, but that could just be psychological because of how it feels when it contacts the ball. I can't say it is not a good break tip, I just didn't like the feel.
Note if you go with a WD, I highly recommend using a pad. Against a white ferrule it can get lost visually. Not a problem breaking, but people would constantly tell me the tip was missing. I was even stopped mid break a couple times lol.
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