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Kakuri | High-quality Traditional Japanese Hand Tools – Kakuri Sangyo

Japanese Sledgehammers (Genno)

About Japanese Hammers

Japanese hammers come in various shapes and sizes, each designed for specific tasks. Some of the hammers we offer at Kakuri include:

Ryoguchi Genno: This hammer features two striking faces: one flat and the other slightly curved. The design especially effective for nail driving. By driving the nail on a flat surface at the beginning and then on a curved surface at the end, you can avoid scratching the material surface. There are various shapes such as round, square, and octagonal.
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Daruma Genno: A short, heavy hammer with a stable center of gravity, ideal for striking chisels.

Sakkiri Kanazuchi (Pointed Hammer): One end of the hammer is pointed, making it useful for driving nails.

Hakoya Kanazuchi (Boxer Hammer): A hammer with a claw for pulling nails.

Brass and Pure Copper Genno: Made from softer materials, these hammers are used when you want to avoid damaging the surface you're working on, such as for adjusting plane blades.

Tips for Japanese Hammers


How to Sharpen the Blade of Your Japanese Hand Plane

Made in Japan by Japanese Master Craftsmen

While many other makers in Japan have shifted to overseas manufacturing, all Kakuri tools are manufactured in Japan by Japanese master craftsmen using high-grade domestic materials. We continue to plan, develop, and carry out product tests in our factory. This enables us to quickly incorporate innovative new ideas from our craftsmen, further ensuring our commitment to producing only the highest quality products.