Winco SS-821 8 Inch Rectangular Sharpening Stone Fine Medium Grit Carbonized Silicone

The Winco SS-821 Sharpening Stone is a professional-grade kitchen tool designed for commercial foodservice operations requiring precision blade maintenance. Measuring 8 inches in length, 2 inches in width, and 1 inch in height, this rectangular sharpening stone features a fine/medium grit composed of carbonized silicone, optimized for efficient sharpening of culinary knives. Its robust construction ensures durability in high-use environments, making it suitable for restaurant kitchens, catering entities, and culinary professionals seeking consistent edge quality. This sharpening stone’s specific dimensions and grit type make it an essential component for maintaining knife sharpness, reducing waste, and improving workflow efficiency in demanding food preparation settings.

Top Winco SS-821 Features

Designed for commercial kitchen operators, the Winco SS-821 sharpening stone offers precise grinding with a 8" x 2" surface, facilitating optimal edge restoration. Its carbonized silicone material provides long-lasting wear resistance while enabling easy cleaning and maintenance. Ideal for sharpening knives in busy kitchens, this tool enhances workflow by reducing downtime. Its rectangular shape allows straightforward handling and storage, supporting workflow integration in high-volume food prep areas.

• Functionality: Precise sharpening of knives with 8" x 2" surface area
• Durability: Carbonized silicone material resists chipping and wear
• Ease of Maintenance: Smooth surface for quick cleaning and minimal upkeep
• Use Case: Suitable for kitchen brigades requiring frequent blade touch-ups
• Workflow Benefit: Supports efficient knife edge restoration in high-volume settings

Ideal for professional culinary environments needing reliable sharpening tools.

Winco SS-821 Technical Specs

The Winco SS-821 sharpening stone is constructed from high-quality carbonized silicone, measuring 8 inches in length, 2 inches in width, and 1 inch in height, with a weight of approximately 1.11 lbs. It features a medium/fine grit for versatile sharpening, suitable for restoring and refining blade edges with precision. The product operates within a standard commercial kitchen environment, requiring no external power source. Its surface is designed for ease of cleaning and durability, supporting daily use in busy culinary operations. The product is non-certified but adheres to food-safe material standards for cleaning compatibility and sanitary handling.

• Dimensions: 8" length x 2" width x 1" height
• Weight: 1.11 lbs
• Material: Carbonized silicone with medium/fine grit
• Color/Finish: Natural silicone gray finish
• Operating Range: Suitable for routine knife maintenance in commercial kitchens
• Cleaning: Wipe clean with damp cloth, minimal disassembly required
• Usage Compatibility: Compatible with standard kitchen knives and culinary blades
• Construction & Safety: Solid build, corrosion-resistant for daily sanitization
• Installation & Maintenance: Handheld use, simple handling and storage

What is a commercial sharpening stone

A commercial sharpening stone is a precision tool used in professional foodservice environments to restore and refine knife edges. It is typically made from durable abrasive materials such as silicone, featuring various grit levels for different sharpening needs. Installed in restaurant kitchens, catering facilities, or butcheries, it provides reliable edge maintenance for high-volume knife use. The Winco SS-821 sharpening stone, with its rectangular shape and medium/fine grit, is ideal for sharpening a wide range of culinary blades, supporting efficient food preparation workflows in busy commercial kitchens.

Top sharpening stones for medium-volume foodservice settings

Designed for moderate throughput kitchens, the Winco SS-821 offers professional-grade sharpening with precise dimensions and durable materials. It supports efficient knife maintenance for commercial food preparation, making it suitable for restaurant kitchens, catering operations, and culinary training facilities. The high-quality carbonized silicone construction ensures longevity and consistent performance in busy environments.

• Operation Type — Moderate throughput kitchens
• Kitchen Setting — Commercial foodprep areas
• Foodservice Category — Professional culinary tools
• Workload Qualifier — Frequent knife sharpening needs
• Use Case — Maintaining edge quality for culinary knives

Why Choose Winco SS-821

The Winco SS-821 sharpening stone stands out among commercial sharpening tools due to its robust carbonized silicone construction and precise 8" x 2" surface. Unlike smaller or lower-grade alternatives, it provides consistent, long-lasting performance essential for high-volume kitchens. Its straightforward design simplifies daily cleaning and handling, supporting hygienic practices and workflow efficiency in professional culinary settings.

• Self-contained surface with professional-grade grit for durability
• Optimized for consistent sharpening in restaurant environments
• Robust material reduces replacement frequency compared to ceramic stones
• Compact footprint supports space-efficient storage in busy kitchens
• Supports high operational standards for knife edge maintenance