The Shapton RockStar coarse sharpening stone, with a 320 grit and 40-micron grain size, is the roughest option in the Shapton RockStar series. Crafted from premium white aluminum oxide, a synthetic ceramic material known for its exceptional durability and precise grain size, this stone ensures consistent sharpening performance. Ideal for restoring very dull or damaged blades, this coarse stone is also perfect for adjusting the sharpening angle of your knife.
How to Use the Shapton RockStar: Before sharpening, soak the stone in water for 5-6 minutes to minimize wear and ensure consistent results. Keep the stone wet throughout the sharpening process for optimal performance. For a step-by-step guide, watch the instructional video located after the product images!
Shapton RockStar Storage and Maintenance: To extend the life and performance of your sharpening stone, follow these key tips. Avoid leaving the stone submerged in water for extended periods, and always ensure it is completely dry after use. Store the stone in a cool, dry place at room temperature to prevent cracking. Keep it away from outdoor conditions and direct sunlight. For cleaning, use a dressing stone instead of dish soap.
The sharpening stone includes a stainless-steel storage case, but please note that it’s meant for storage only, not for use as a sharpening holder. Ensure both the stone and the steel surface are dry before storing to prevent rust. A sticker set is also included, allowing you to label the storage box, so you can easily identify which stone is inside without opening it.
Specifications:-
- Brand:- Shapton
- Colour:- White
- Series:- Rockstar
- Material:- White aluminium oxide
- Grit:- 320
- Grit Size Micron:- 40 Micron
- Dimensions:- 21cm x 7cm x 1cm
- Weight:- 300g
- Made in Japan

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