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

Genno Hammers, Square Head, Silver Colored, Double-wedge

¥5,100

・The wooden wedge and steel wedge are driven in a crisscross pattern to create a solid structure that is difficult to pull out.
・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.

Head Material: ‎Carbon Steel

Handle Material: ‎Oak

Ships within 5 business days.

Product information

  • 115g
Head weight: 115g (about 4 oz)
Head Length: 60mm
Head Thickness: 17mm
Overall Length: 328mm
  • 225g
Head weight: 225g (about 7.9 oz)
Head Length: 78mm
Head Thickness: 24mm
Overall Length: 328mm
  • 300g
Head weight: 300g (about 10.6 oz)
Head Length: 87mm
Head Thickness: 27mm
Overall Length: 328mm
  • 375g
Head weight: 375g (about 13.2 oz)
Head Length: 90mm
Head Thickness: 29mm
Overall Length: 330mm
  • 570g
Head weight: 570g (about 20.1 oz)
Head Length: 104mm
Head Thickness: 34mm
Overall Length: 330mm
  • 750g
Head weight: 750g (about 26.4 oz)
Head Length: 121mm
Head Thickness: 38mm
Overall Length: 330mm

Dual Striking Faces with Distinct Shapes


This hammer features two striking faces: one flat and the other slightly curved.


A traditional genno hammer that performs well in various situations, with a 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.