Is the 400/1000 stone hard and flat enough to sharpen chisels and plane blades? The last stone I had would flake off like sand and developed a groove

Yes I hone straight razors, all stones will develop imperfections, you also need to buy a flattening stone or a 12x12 piece of marble and a square of 400 grit wet sandpaper then flatten it that way

What are these stones made of? Description says silicon carbide, and then later it says white corundum. Which is it???

For this one, it is white corundum stone.

Where is this product made?

Hi speersc, this product is designed in the US, and manufactured in CN.

Does this slide around without wood block?

No more than a wood block does!

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Description

🔧 Elevate Your Kitchen Game with Every Slice!

SHARPEN LIKE A PRO - Transform dull blades into precision instruments with our dual-sided whetstone.
DURABLE EFFICIENT - Crafted from white corundum for faster sharpening and less frequent dressing.
USER FRIENDLY GUIDE - Includes a quick-start guide packed with expert tips for sharpening success.
EFFORTLESS MAINTENANCE - No oil needed! Just soak in water for 10-15 minutes and you're ready to go.
UNIVERSAL COMPATIBILITY - Perfect for all knife types—chef, hunting, pocket, and more!

The KEENBEST Actual Grit Premium Material Sharpening Stone is a versatile 2-sided whetstone featuring 400 and 1000 grit options, designed for effortless knife sharpening. Made from high-quality silicon carbide, this stone requires no oil—just soak it in water for optimal performance. Compatible with a wide range of knives and tools, it comes with a user guide to help you achieve professional results at home.

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