Not just a favorite among the world's leading strongmen and gripsters, the Rolling Thunder is a tool of first choice for everyone from arm wrestlers to rock climbers. The thick-handled one-hand deadlift is a 20th century archetypal test of grip strength and the Rolling Thunder Deadlift is now a grip competition staple worldwide.
The current Rolling Thunder world records are:
Men: Alexey Tyukalov at 150.5 kg (331.85 lb.) on 27 July 2013
Women: Ludmilla Gaiduchenko at 77.2 kg (170.2 lb.) on 22 September 2012
How do you compare? If you can do:
125 lb. - average
185 lb. - accomplished
250 lb. - world-class
7-1/2" in length (rotating portion is 6" in length); 2-3/8" in diameter.
Also consider purchasing this heavy duty spring clip.