I have a BW w/the pin above the bridge and the MB near my thumb. It is drilled weaker and is still 10+ boards stronger than my T-Road. They are VERY different ball motions and fit completely different holes in my arsenal.
Those are two balls you don't have to remotely worry about being the same.
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http://www.myspace.com/rlrussellThe artist formerly known as "jabroni"