just got back from throwing my buddies classic, I have the blue hammer and i was talking w/ him (he runs the pro shop) about getting a 2nd 1 and drilling it stronger w/surface so i could use earlier in the set. he suggested the classic since it has the better core. ball does seem stronger then my blue both balls pin up drilling, carried well, 1 burner 10 & 1 ball i got to fast every other shot was in the pocket and carried most of them. might have to pick 1 up !!!!!