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Commercial Grade Finishing Whetstone Engineered for Precision Edge Refinement
The SHAPTON GlassStone 4000 3 Micro Class TYPE WA 50103 is a professional finishing whetstone developed for chefs, knife makers, sharpening specialists, and demanding enthusiasts who require exceptional edge refinement. Designed for consistent performance, this fine grit stone produces a polished cutting edge while maintaining the flatness, cutting speed, and durability expected in high volume sharpening environments.
Built using Shapton's premium ceramic abrasive bonded to a tempered glass backing, this sharpening stone offers outstanding dimensional stability and efficient abrasive performance. Its splash and sharpen design minimizes preparation time, allowing professionals to maintain razor sharp edges with greater efficiency during busy kitchen or workshop operations.
Technical Specifications & Engineering Data
| Specification Metric | Commercial Field Tested Data |
|---|---|
| Manufacturer Brand | SHAPTON |
| Model / Series Line | GlassStone 4000 3 Micro Class TYPE WA 50103 |
| Product Category | Professional Finishing Sharpening Stone |
| Material Composition | Premium Ceramic Abrasive with Tempered Glass Base |
| Grit Rating | #4000 Fine (3 Micro Class) |
| Exact Physical Dimensions | 8.27 x 2.76 x 0.39 Inches |
| Item Weight | 360 g |
| Backing Construction | Tempered Glass Reinforced Base |
| Color | Silver |
| Lubrication Method | Splash and Sharpen (Water) |
| Recommended Application | Fine Edge Refinement and Final Honing |
| Commercial Use | Suitable for Professional Kitchens, Culinary Schools, Workshops, and Knife Maintenance Stations |
Core Operational Features
- Professional Grade Ceramic Abrasive: Engineered with premium ceramic particles that provide fast, consistent cutting performance while producing an exceptionally refined edge.
- Tempered Glass Reinforced Construction: The rigid glass backing enhances structural stability, helping maintain a flat sharpening surface during repeated professional use.
- Precision Finishing Performance: The 4000 grit surface refines previously sharpened edges, producing excellent sharpness with a smooth, controlled cutting feel suitable for premium kitchen knives and precision tools.
- Splash and Sharpen Convenience: Requires only a light application of water before use, eliminating lengthy soaking times and allowing faster workflow between sharpening sessions.
- Excellent Wear Resistance: High density abrasive formulation minimizes excessive wear, extending the service life of the sharpening surface under frequent commercial use.
Professional Applications
The SHAPTON GlassStone 4000 is designed for finishing and refining edges after medium grit sharpening. It is ideal for maintaining chef knives, santoku knives, gyuto knives, petty knives, utility knives, woodworking tools, chisels, plane irons, and other precision cutting instruments where a smooth, highly refined edge is required.
Its fast cutting ceramic abrasive makes it well suited for professional kitchens, knife maintenance services, culinary institutes, woodworking shops, and serious home sharpening stations.
Why Professionals Choose the SHAPTON GlassStone 4000
Professional users value the GlassStone Series for its combination of rapid cutting performance, excellent flatness retention, and reliable consistency throughout the life of the stone. The tempered glass backing provides exceptional rigidity, while the dense ceramic abrasive delivers predictable sharpening results without excessive loading or uneven wear.
Whether used as part of a complete sharpening progression or as a dedicated finishing stone, the GlassStone 4000 helps produce clean, precise edges capable of delivering smooth, controlled cutting performance across a wide variety of premium blades.
Care & Maintenance
Use clean water as the sharpening lubricant and rinse the surface thoroughly after each use. Allow the stone to air dry completely before storage, avoiding prolonged moisture exposure. Periodically flatten the sharpening surface using an appropriate lapping plate or flattening stone to maintain optimal sharpening accuracy and consistent edge geometry over time.