JC Hammer Slip Resistant Yellow Handle All-Steel Heavy Duty Magnets Double Head | eBay
22-ounce all-steel geological hammer, suitable for geological research, rock exploration, fossil excavation, masonry, hunting, gold mining and exploration, as well as rock-breaking tool kit.(style11) - Amazon.com
STANLEY - FatMax® AntiVibe All Steel Rip Claw Hammer 450g (16oz) - Walmart.com
Estwing 14-oz Smooth Face Steel Head Rubber Framing Hammer in the Hammers department at Lowes.com