Estwing E3-20S Rip Hammer Estwing 20 oz – Safety Source
Hammer | HowStuffWorks
CHOGAN™ HAMMER
LifeLine Bumping Hammer | Mallets and Hammers | wiggle.com
Edward Tools Oak Claw Hammer 16 oz - Heavy Duty All Purpose Hammer - Forged Carbon Steel Head - Etched Solid Oak Handle for more durability and grip (1) - - Amazon.com
Metric Pro Series Titanium Hammer – Boss Hammer Co.