What dumbbell is made of
A piece of exercise equipment.
- Dumbbell bar — has part. A steel rod that serves as a handle.
- Weight plates — has part. Weights.
- Dumbbell collars — has part. They secure the discs.
- Universal gravitation — uses. Weight.
- Cast iron — is made of. Cast iron.
- Stone — is made of. Greek halteres were stone dumbbells.