Kramer by Zwilling Sharpening Glass Stone
Best premium tool for achieving razor sharp edges.
Keep your knives sharp with the Zwilling Kramer Sharpening Stone. This glass stone features a 5000 grit level, ideal for sharpening knives to a durable sharpness in minutes. It efficiently sharpens knives to their desired sharpness and offers an ultra-fast grinding effect. Please note that this sharpening stone can be used on all knives except ceramic ones.
$119.95
Owner Satisfaction
4.6
/ 5
Category Rank
114
/ 472
#114 in Knife Sharpeners
Price vs Category Average
+51%
Above average
Grit Level
5000
Who it's for
- Knife enthusiasts seeking ultimate precision and consistent sharpening results
- Home cooks and professionals with high-end knives desiring razor-sharp performance
- Serious sharpeners investing in long-lasting, reliable sharpening tools
Who should skip it
- Budget-conscious individuals or casual users not ready for a significant investment
- Beginners without prior sharpening experience or those preferring automated solutions
- Users seeking low-maintenance sharpening solutions or minimal post-use care
Key Specs
Grit Level
5000
Material
Glass
Compatibility
All knives except ceramic
Power Source
Manual
Mounting Type
Countertop
Sharpener Type
Whetstone
Blade Material Compatibility
Stainless Steel, Carbon Steel, Damascus Steel
Features
- Achieve durable sharpness quickly
- Ultra-fast grinding effect
- Suitable for most knives
What customers say
Customers consistently praise the exceptional quality and remarkable effectiveness of this sharpening stone. Many users highlight its ability to achieve incredibly sharp edges with relative ease, making it a favorite among those serious about knife maintenance. The durable construction and stable sharpening surface contribute to a premium experience, justifying its investment for enthusiasts seeking superior results. Its consistent performance and longevity are frequently noted as key benefits.
Know before you buy
A 5000 grit stone is considered a fine-polishing stone. It is designed to refine the edge of a knife after it has been sharpened on a coarser stone, resulting in a razor-sharp, mirror-like finish.
No, this stone is not suitable for ceramic knives. Ceramic is significantly harder than steel and requires specialized diamond-based sharpening tools.
Unlike traditional water stones, this glass-based stone is designed for convenience and does not require a long soaking period. A quick splash of water is typically sufficient to begin sharpening.
While the stone is highly efficient, it is a manual whetstone that requires a steady hand and consistent angle control. It is an excellent choice for those looking to learn proper sharpening techniques, but it does require some practice to master.
This stone is compatible with most common kitchen knife materials, including stainless steel, carbon steel, and Damascus steel. It is versatile enough to handle the varying hardness levels of these premium blade types.
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$120