A hammer with a rounded end opposite the face.
More example sentences
- Granddad had made no compromises for these amateurs - if you didn't know your claw hammer from your ball-peen hammer, you'd be better off elsewhere.
- Use a ball-peen hammer or a block of wood and a nail hammer to knock the tool head out of the ferule on the handle.
- He thrust the ball-peen hammer right into her - and it went nowhere.