KAI Whetstone Kai S/socle000/4000 — made in Japan. KAI water whetstone with 2 grits, on a base with a catch tray for water (yellow: 1000, brown: 4000).…
KAI Whetstone Kai S/socle000/4000, sold under the KAI brand, is manufactured in Japan. That origin is recorded at the "Internet-Sourced" evidence grade.
KAI is headquartered in Japan; a brand's home country is not evidence of where its goods are made, and the two are tracked separately.
Origin evidence last reviewed 2026-07-13.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.