Dumbbell Mold - Just add Concrete! (25, 40, 60, and 80 lbs)

The Rock Weights product is a simple and cost-effective solution for those looking to build their own concrete dumbbells. Customers receive an empty container strategically sized to weigh an exact amount once filled with concrete. Simply grab a bag of concrete, add water, mix, and fill the mold!
Never used concrete before? No worries! We include a detailed tutorial video walking your thru the entire process! It is a very easy process and our costumer service will help answer any questions you have.
It is time for you to finish your home gym and save hundreds!