*January 16, 2026 Update
Tama Specifications Update
The specifications of the tama have been updated as follows:

・The rounded finish on the edge of the hole has been removed
・Hole diameter: 24.5φ

Update on Laser Engraving
From this release onward, the laser engraving on the sarado has been discontinued.
Instead, a paper ring indicating the correct direction to rotate the ken is attached to the tip.To loosen the screw, please rotate the ken counterclockwise (to the left).