Square Head Genno Japanese Hammer 300g, overall length 325mm
Osho Daruma Genno Hammer 375g – Urban Toolworks
Genno - Japanese Hammers | FINE TOOLS
Brass Genno-Hammer 280g - The DIY JJ Shop – The DIY Japanese Joinery Shop
RANSHOU Japanese Carpenter Hammer GENNO 450g / 15.8 oz Double Face Woodworking Hammer Wood Handle for Chisel, Japanese Hand Plane, Nail, Made in JAPAN - - Amazon.com