---
product_id: 604857639
title: "Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green"
brand: "ナニワ研磨工業"
price: "€ 133.64"
currency: EUR
in_stock: false
reviews_count: 5
category: "ナニワ研磨工業"
url: https://www.desertcart.ie/products/604857639-naniwa-na-0040-new-arata-professional-medium-whetstone-400-8
store_origin: IE
region: Ireland
---

# quick 1-min water soak prep 210 x 70 x 15 mm compact size 400 grit coarse precision Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green

**Brand:** ナニワ研磨工業
**Price:** € 133.64
**Availability:** ❌ Out of Stock

## Summary

> 🔪 Sharpen like a pro, cut like a boss.

## Quick Answers

- **What is this?** Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green by ナニワ研磨工業
- **How much does it cost?** € 133.64 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/604857639-naniwa-na-0040-new-arata-professional-medium-whetstone-400-8)

## Best For

- ナニワ研磨工業 enthusiasts

## Why This Product

- Trusted ナニワ研磨工業 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready when you are:** Wet-and-go design with minimal soak time keeps your workflow sharp and uninterrupted.
- • **Compact yet commanding:** Perfectly sized for professional kitchens and workshops, fitting seamlessly into your sharpening station.
- • **Versatile precision tool:** Ideal for knives, scissors, chisels, and more—your all-in-one blade revival partner.
- • **Fast, flawless edge refinement:** Sharpen hardened steel blades effortlessly with premium Japanese craftsmanship.
- • **Low maintenance, high performance:** Resists loading up with metal particles for consistent, smooth sharpening sessions.

## Overview

The Naniwa NA-0040 New Arata Professional Medium Whetstone (#400 grit) is a high-quality Japanese sharpening stone designed for fast, efficient blade sharpening. Measuring 210 x 70 x 15 mm, it handles hardened steel and various precision tools with ease. Featuring a quick 1-minute water soak prep and a low-loading surface, it delivers smooth, consistent edges while fitting perfectly into professional and home sharpening setups.

## Description

Japanese grindstone that is made with high quality artisans. Even with hardened steel materials that were difficult to sharpen with conventional artificial whetstones can be used to make blades faster. Includes a storage case for both a sharpening table.

Review: Awesome stone, this is my first naniwa stone and I can see now why the make a big deal out of it. Cuts fast, dosen't load up and leaves a good edge on the knife. The stone is supposed to be a wet and go stone, but it needs a quick 1min soak in water,but no big deal still a Awesome stone.
Review: Pedra sensacional, muito gostosa de usar, proporciona um excelente feedback, aveludada, sua ação na remoção de material é rápida e fácil manutenção, não retém muitas partículas na superfície da pedra.

## Features

- Grit size: #400
- Size: Length 8.3 x Width 2.8 x Thickness 0.6 inches (210 x 70
- Uses: For grinding kitchen knives, knives, scissors, stainless steel blades, hammers, chisels, chisels, and other precision cutlery

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01M29WI7N |
| Brand | ナニワ研磨工業 |
| Colour | Green |
| Country of Origin | USA |
| Generic Name | Whetstone |
| Grit Type | Coarse |
| Included Components | No |
| Item Weight | 717 g |
| Item model number | NA-0040 |
| Manufacturer | ナニワ研磨工業 |
| Material | Stone |
| Number of Items | 1 |
| Product Dimensions | 24L x 8.1W x 3.3H Centimeters |

## Product Details

- **Brand:** ナニワ研磨工業
- **Colour:** Green
- **Grit Type:** Coarse
- **Item Weight:** 1.58 Pounds
- **Manufacturer:** ナニワ研磨工業
- **Material:** Stone
- **Number of Items:** 1
- **Product Dimensions:** 24L x 8.1W x 3.3H Centimeters

## Images

![Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green - Image 1](https://m.media-amazon.com/images/I/315oV8ODV2L.jpg)
![Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green - Image 2](https://m.media-amazon.com/images/I/31PPJvH0rBL.jpg)
![Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green - Image 3](https://m.media-amazon.com/images/I/417GqE-ps-L.jpg)
![Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green - Image 4](https://m.media-amazon.com/images/I/41RuRqYdzAL.jpg)
![Naniwa NA-0040 New Arata Professional Medium Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm) Green - Image 5](https://m.media-amazon.com/images/I/41o9Ylc1XJL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***S on 20 April 2024*

Awesome stone, this is my first naniwa stone and I can see now why the make a big deal out of it. Cuts fast, dosen't load up and leaves a good edge on the knife. The stone is supposed to be a wet and go stone, but it needs a quick 1min soak in water,but no big deal still a Awesome stone.

### ⭐⭐⭐⭐⭐ Review
*by C***O on 1 August 2025*

Pedra sensacional, muito gostosa de usar, proporciona um excelente feedback, aveludada, sua ação na remoção de material é rápida e fácil manutenção, não retém muitas partículas na superfície da pedra.

### ⭐⭐⭐⭐⭐ Review
*by M***T on 2 December 2025*

Great stone for the price. Easy to use and sharpens in no time. Not a bulky stone and feels soft on the edge

## Frequently Bought Together

- Naniwa NA-0040 New Arata Professional Rough Whetstone #400 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm)
- Naniwa NA-0300 Goken New Professional Finishing Whetstone #3000, 8.3 x 2.8 x 0.6 inches (210 x 70 x 15 mm)
- Naniwa Straightening Stone IO-1142 Grit 220

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-11*