New Cerax 403-G #320 Whetstone (Made in Japan)

The New Cerax 403-G is one of Upscale Living’s most popular whetstones, known for being both fast-cutting and slow-wearing. This coarse-grit stone is ideal for repairing chips, reshaping edges, and quickly removing material before progressing to medium or finishing stones.

Made in Niigata, Japan, the Cerax 403-G offers an excellent balance of cutting speed and feedback. Its durable ceramic composition ensures consistent performance over long-term use. The stone comes complete with a Nagura stone for surface conditioning and a rubber-based stand for stability during sharpening.

Specifications

• Origin: Niigata, Japan

• Grit: #320 (Coarse, Water Absorbent)

• Type: Soaking Stone

• Material: Ceramic

• Dimensions: 183 × 63 × 20 mm

• Weight: 630 g

• Includes: Nagura Stone & Whetstone Stand with Rubber Base

How to Use
The New Cerax 403-G is a soaking-type whetstone. Soak the stone in water until it stops releasing air bubbles before use. Ensure the surface remains wet throughout sharpening for optimal performance.

Maintenance
If the stone’s performance decreases or the surface becomes clogged with metal residue, clean it with a rust eraser, the included Nagura stone, a dressing stone, or a flattening plate. Level and clean the surface completely for consistent sharpening results.

Summary
The New Cerax 403-G #320 delivers powerful cutting action and long-lasting durability. Perfect for edge repair, reshaping, and heavy sharpening tasks, it’s an excellent coarse stone for professionals and serious enthusiasts who value precision and speed.