Double Face Sledge Hammer - 4 lb - Industry-Railway Suppliers, Inc.
RANSHOU Japanese Carpenter Hammer GENNO 300g / 10.5 oz Double Face Woodworking Hammer Wood Handle for Chisel, Japanese Hand Plane, Nail, Made in JAPAN - - Amazon.com
Nathan Robertson Double Diagonal Hammer — Old World Anvils
Balanced Ding Double face 2522902 Bumping Hammer – Blacksmith Source Tool Company
Scythe Double Peen Blacksmith Hammer – Blacksmith Source Tool Company