Rock Weights...

[GYMnTONIC]

This concept is pretty cool...anyone ever use these?

Rock Weights: DIY Concrete Dumbbell and Kettlebell Molds

Rock Weights is your affordable Dumbbell and Kettlebell solution. We ship you an empty container designed to weigh an exact amount once filled with concrete. This process saves you hundreds on shipping fees!

rockweights.com

 

[cdubw44]

I have some concrete in the back yard you can pick up for free!


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[MindlessWork]

Not a bad idea for some quick and dirty weights. These are like the cement filled plates those old lifting sets had and I had one when I was a kid.