Well I got my first two Roto Grip balls the RSX and the Saturn both of these balls are very nice, i would rate them especially the RSX as high performance . The Saturn I just tried out this morning and this ball is anything but an entry level ball I left it in box condition both are drilled with 4'' pin from pap would be the C on their drilling chart which is supposed to give medium length with hard arching back and they do exactly that. I haven't had the chance to throw in league except for the RSx ball did great the thrower had some issues. I am very much pleased with these two balls and their performance and the price is really great as well. I may purchase the RSP next but may have to put some polish on it as our house usually doesn't have heavy oil
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Carl