Naniwa Basic Combination Sharpening Stone 1000/3000 Grit

The Naniwa Basic 510/530 Combination Sharpening Stone is a double-sided Japanese water stone designed for sharpening knives and tools that are already in reasonably good condition. With a 1000 grit side for sharpening and a finer 3000 grit side for polishing, it provides an effective two stage solution for refining cutting edges and achieving a smoother, sharper finish.

Produced using Naniwa’s established sharpening expertise, the Basic series combines reliable performance with carefully controlled manufacturing quality. It is an excellent choice for home cooks, woodworkers and sharpening enthusiasts looking to maintain their tools, knives and improve edge sharpness.

The 1000-grit side is ideal for regular sharpening of knives and tool blades, including chisels and plane irons, while the 3000-grit side refines and polishes the edge to achieve a smooth, razor-sharp finish. The finer side is perfect for frequent edge maintenance, helping keep kitchen knives and woodworking tools sharp and ready for use while removing minimal material during routine sharpening.

Key Features

• Dual-grit design: Features a 1000 grit side for sharpening and a 3000 grit side for refining and polishing the cutting edge.

• Japanese sharpening expertise: Manufactured in Vietnam under strict quality control by Japanese specialists.

• Aluminium oxide abrasive: Provides effective sharpening and edge refinement.

• Slow-wearing construction: Gradually exposes fresh abrasive particles during use, helping maintain consistent sharpening performance.

• Thick abrasive layer: Designed to provide long-lasting use with proper care and maintenance.

• Water stone design: Soak in water for a few minutes before use to prepare the stone for sharpening.

How to Use

1. Soak the stone: Immerse the stone in water for a few minutes before sharpening.

2. Sharpen the blade: Use the 1000 grit side to restore and refine an edge that is already reasonably sharp.

3. Polish the edge: Turn the stone over and use the 3000 grit side to achieve a finer, smoother finish.

4. Clean after use: Rinse the stone and allow it to dry thoroughly before storage.

Please note: This stone is best suited to maintaining and refining relatively sharp tools and knives. For very dull blades or significant edge damage, a coarser stone, such as the Naniwa Basic 220/1000 grit combination stone, is recommended as a first step.

Product Specifications

• Brand: Naniwa

• Series: Basic

• Model: 510/530

• Type: Double-sided water sharpening stone

• Medium-fine grit: 1000 (red)

• Fine grit: 3000 (yellow)

• Stone Dimensions: 185mm x 65mm x 30mm (3-11/32" x 2-9/16" x 1-3/16").

• Stone Thickness: 30mm

• Abrasive material: Aluminium oxide

• Origin of production: Vietnam, under Japanese quality control

Refine and Polish Your Knife Edges

The Naniwa Basic 1000/3000 combination stone is a practical choice for keeping kitchen knives and tool blades sharp and improving their cutting performance. Combining everyday sharpening with fine edge polishing in one convenient stone, it is an ideal addition to a regular knife maintenance routine.