What is the best flattening stone for this whetstone?

Trend has a super flat (+/- .0005 inch) diamond lapping stone for about $110 USD. It's double sided with 300 grit on once side and 1000 grit on another. It's an awesome option when paired with a 8000 shapton stone and some chromium oxide strop compound. Also don't bother with the leather strop, just use a piece of scrap wood.

How should the stone be flatten and how often? Does it need to be a diamond lapping plate? Also can this stone be used to sharpen ceramic knifes?

These stones don't require flattening/leveling as fast as a combo stone. They do still require maintenance. I use my Ha No 1k to flatten a combo stone I use to upkeep house knives. I then use my Ha No 1k and 5k to flatten each other for my personal knives. The combo gets a quip lap after every knife. The Ha No stones last about 6-8 sessions before I notice any dip. I'll post a video on how to my YouTube very soon. As far as ceramic, no. Only true diamond plates or specialty stones can sharpen those. But if you have a real ceramic knife, it shouldn't need sharpening.

2 days late . Where is my stone

These questions aren't designed for this section, that is what messaging the seller or contacting Amazon help is for. This section is CLEARLY for asking questions ABOUT the item so someone, like myself, or a seller can answer, and others can see this question and if they have a similar question, then here is the answer.... Please utilize the system properly.

Can you use both sides of the stone or is it glued to a base?

You can use both sides of the stone, not glued.

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🪒 Sharpen like a pro, stand out like a boss.

CRAFTED IN JAPAN - Experience legendary durability and quality from Shapton’s Kuromaku series.
SLEEK PORTABLE - Compact design fits effortlessly in your professional toolkit or kitchen drawer.
TRUSTED BESTSELLER - Join thousands of pros who rely on Shapton’s top-selling blackhead series.
EFFORTLESS SHARPENING - Smooth ceramic surface ensures consistent, fast blade refinement every time.
RAZOR SHARP PRECISION - Achieve mirror-edge sharpness with ultra-fine #12000 grit ceramic.

The Shapton Ceramic Kuromaku #12000 is a premium Japanese sharpening stone featuring ultra-fine ceramic grit for unparalleled blade refinement. Its compact 21x7x1.5 cm size and 500g weight make it ideal for both professional chefs and managers who demand precision and quality in their tools. As Shapton’s bestselling blackhead series stone, it guarantees consistent, effortless sharpening with legendary durability.

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