Jedd Johnson Posted October 26, 2012 Share Posted October 26, 2012 I put together a quick video showing the differences between Rolling Thunder handle types. Incidentally, I got this comment on this video: "I was at an AAU meet and they had a rolling thunder FOS event. Different weight classes had different sizes. Women used 1.5 inches, men's under 220 was 2.5 diameter, heavy weight was 3 inch. Is this normal or is there just one size for grip strength meets." I am not sure what this person saw at the contest. RT's only come in the +/-2.5-inch size. If you see a rotating handle, and it is a different size, my guess would be that it was a home-made device, something the person had made by a fabricator, or maybe something from another manufacturer I am not aware of. I am sure there are many tools out there that I have never seen. Hope it helps - all the best. Jedd 3 Quote Link to comment Share on other sites More sharing options...
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