DIY CONCRETE DUMBBELL & KETTLEBELL MOLDS
We believe EVERYONE should be able to afford heavy dumbbells and kettlebells at home!

HOW IT WORKS
The process is simple! We ship you an empty container perfectly sized to weigh an 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!
*Patent Pending
BACK IN STOCK!

Rock Weights
THE COMPLETE SET! (40, 60, 80 lb Dumbbells and 40 lb Kettlebell)






"Great product and fairly easy DIY. The $ saved lb for lb is simply unbeatable. Process was simple to make and instructions were very clear."
OUR MISSION
Make DUMBBELLS and KETTLEBELLS affordable and accessible for ALL!

Kettlebells built to handle any workouts!
Whether you work out inside or outside, these molds are built to handle all weather conditions!

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!