[w/ EN manual] ALTSTONE RIN #1000 Non-Soaking Whetstone Set ? Hard Ceramic Medium Grit with Nagura & Anti-Slip Mat ? Made in Japan

ALTSTONE “RIN” #1000 Non-Soaking Whetstone ? Pro Series
No soaking required ? just splash and sharpen. “RIN” is a dense ceramic whetstone designed for speed, precision, and consistency.

Set Includes:
Main Whetstone (#1000)

Nagura Stone (#1000)

Anti-slip Rubber Mat

Key Features:
[Hard-Type Stone]
Despite its hardness, “RIN” offers excellent blade contact without slipping. A perfect balance of hardness and grindability, suited for serious users.

[Made in Japan]
Crafted in Japan with strict quality control. The most-used #1000 medium grit comes paired with a nagura stone for surface conditioning. From planning to shipping, all stages are managed in Japan to ensure both quality and value.

[#1000 Grit ? The Essential Grit]
This is the standard grit for routine maintenance. It easily restores slightly dulled knives, and for most home cooking, #1000 grit is all you need. Ideal for beginners purchasing their first whetstone.

[High Abrasive Power]
Infused with a high concentration of white aluminum oxide (WA), this stone offers powerful sharpening. Even first-timers can instantly feel the steel being ground away.

[Compatible Steels]
Sharpen stainless kitchen knives, high-hardness carbon steel knives, and more.
Note: Not suitable for non-metal blades (e.g. ceramic), titanium, or other exotic alloys.

[Anti-Slip Mat Included]
Includes a kitchen-grade rubber mat that prevents slipping even on stainless surfaces. Carefully selected from dozens of materials to ensure strong grip. You can start sharpening immediately?no base required.

[Double Inspected]
Every stone is thoroughly checked both by the manufacturer and by us before shipping to ensure flawless quality.

[Specifications:]
- Main Stone Grit: #1000
- Nagura Grit: #1000
- Main Size: 180 × 60 × 20 mm
- Nagura Size: 28 × 60 × 20 mm
- Weight: Main: 520g / Nagura: 70g
- Water Absorption: None (Non-soaking. Use instantly with a splash of water)