Forging hammer | Hammer head blank | Drifter Head blank
Powerbuilt 2-1/2 Pound Club Hammer with Fiberglass Handle, Non-Slip Rubber Handle, Heavy Duty Construction DIY Hand Tool, Black 648332 - Dead Blow Hammers - Amazon.com
Estwing 4-lb Smooth Face Steel Head Steel Club Hammer in the Hammers department at Lowes.com