Know anything about dumbbells?
A teenager in my family is asking for rubber-coated hex dumbbells. The weight he wants makes it a pricey item, not to mention the shipping charge being added from on-line retailers. So, I've found a site with urethane-covered dumbbells at a much more reasonable price, and free shipping (guess who).
Is there a huge difference between rubber-coated and urethane-coated? Is one better than the other? If rubber really is the better way to go, any recommendations on where to get them?