Dumbbells consist of a steel pole with lead weights on each end equating to either 20 or 160lbs and were intended to be lifted with one arm.
- Fallout 4
20lb dumbell (1)
160lb dumbell (1)
- Two in the boxing gym.
- Two at the Atom Cats garage.
- In the Federal supply cache 84NE.
- Two can be found at the deck of the Wreck of the FMS Northern Star.
- Several in Madden's gym:
- 12 20lb dumbbells
- Two 160lb dumbbells
- One in Mass Fusion building.
- Can be bought from some vendors.
Even though the 160lb variant is called a dumbbell, it is actually a barbell.