Naniwa S2 Advance Super Stone

The Naniwa S2 Advance Super Stone is a high-quality Japanese water sharpening stone from the Advance Super series. It is known for its durability, wear resistance, and efficient performance across different stages of sharpening. The stone does not require long soaking — simply wet the surface with water before use. This series is popular among professionals and enthusiasts alike due to its comfortable feel in use, long service life, and high-quality edge results. These stones provide consistent and predictable metal removal and require less frequent flattening compared to traditional water stones. Specifications Type: Water sharpening stone. Abrasive material: Aluminum Oxide. Features: No soaking required before use. Size: 8-1/4" x 2-3/4" (210 × 70 × 20 mm). Country of origin: Japan. How to Use Before use, apply a small amount of water to the surface of the stone and begin sharpening with smooth, even strokes along the blade. After use, rinse the stone under running water and allow it to dry completely. The Naniwa S2 Advance Super Stone is a reliable choice for both beginners and experienced sharpeners who seek consistent, predictable, and high-quality results from manual sharpening.