PowerBlock was founded in 1991 by specialty fitness equipment designers who became friends while designing equipment for several companies including Parabody and Cybex. After two years of extensive testing, PowerBlock began sales of the newly coined "seelctorized dumbbell". Since then, PowerBlock has continued to be the leader in the fitness industry as they constantly strive to out do themselves in the pursuit of excellence.
15 year home use warranty
by Christine on 07/14/2010
Lower weights - I can do tons of exercises and just switch the weights for different movements. Couldn't be happier. Definitely better than the other kinds of adjustable dumbbells - I checked out other brands but the others are too bulky and only have the high weights.
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