It's time for
DIY Concrete Dumbbell and Kettlebell MOLDS
Stop spending hundreds on expensive weights and high shipping fees. Rock Weights is your affordable and long-term solution!
How it works
The process is simple! We ship you an empty container perfectly sized to weigh a exact amount once filled with CONCRETE.
All you have to do is visit your local hardware store and grab some concrete! 80 lbs of concrete for as low as $4!
Fill the container, let it dry and you will have a FULLY functional dumbbell or kettlebell!
Make DUMBBELLS and KETTLEBELLS affordable and accessible for ALL!
ALL PRODUCTS BACK IN STOCK!
The wait is over! Get your hands on the brand new mold 80 lb mold! (BACK IN STOCK). First batch of products sold out before even arriving at the warehouse. Next batch just arrived! Order yours today and receive it within a couple days!
FREE SHIPPING and BOGO 50%!
Saving our customers money is our priority! That is why we now offer FREE SHIPPING for all orders over $4! Simple add products to your cart and your shipping will be updated automatically.
In celebration of the 4th of July, we are also offering BOGO 50% all products for the next 24 hours! Use code "BOGO50" at check out!
"Working with CONCRETE is as easy as PANCAKE MIX!! Just add WATER!"
Easy to follow video tutorial
Concrete is both affordable and EASY to use!! You can purchase 80 lbs of concrete mix for as low as $4! Simply pour into a bucket and add water! Click the link below to watch a tutorial walking you through the entire process of finishing your dumbbell and kettlebells!