The Zwilling 31073-183 Four Star® Fillet Knife, a professional-grade knife designed for precise meat and fish preparation, features a 7-inch FRIODUR® hardened blade developed through SIGMAFORGE® forging technology. Crafted in Germany, this high-performance fillet knife utilizes high carbon "no stain" steel for exceptional edge retention and corrosion resistance. Its ergonomic polypropylene handle ensures a secure grip, supporting accurate, controlled cuts in commercial kitchens and food processing environments. Top Zwilling 31073-183 Features The fillet knife is built with a forged blade using SIGMAFORGE® process for enhanced durability and stability. The 7-inch FRIODUR® hardened blade maintains sharpness through frequent usage, enabling precise filleting of fish and meats. The high carbon "no stain" steel resists corrosion and stains, facilitating easy cleaning and longevity. Its ergonomic handle allows for reduced hand fatigue during extended use, suitable for manual filleting tasks. A lightweight design of 0.6 lbs ensures swift handling in busy kitchen workflows. Forged SIGMAFORGE® blade for maximum strength and edge retention 7-inch FRIODUR® hardened blade supports precise filletting High-carbon no stain steel simplifies cleaning and corrosion resistance Ergonomic polypropylene handle reduces fatigue in manual use Lightweight at 0.6 lbs supports efficient handling during operation This fillet knife is suitable for commercial kitchens requiring precise meat or fish preparation, especially in medium-volume processing. What is a commercial fillet knife? A commercial fillet knife is a specialized cutting tool designed for precise, manual filleting of fish and meats. The Zwilling 31073-183 model features a forged blade made of high carbon steel with FRIODUR® treatment, suitable for continuous daily use in foodservice settings. Installed in professional kitchens, it supports accurate portioning and debris-free cuts, ideal for medium-volume seafood or meat processing operations, and complies with sanitation standards such as NSF certifications. Top fillet knives for foodservice kitchens Constructed for medium-duty manual filleting, this knife offers precise control and durability. It supports steady output in regional kitchens or catering stations, facilitating efficient meat and fish prep with an ergonomic design supporting extended use. Manual operation — ideal for small prep kitchens Compact commercial spaces — optimized for limited countertop area Foodservice applications — appropriate for seafood and meat processing Moderate throughput — supports up to daily recurring demand Manual fillet processing — suitable for consistent daily workflow Zwilling 31073-183 Technical Specs Designed for durability and precision, the Zwilling Four Star® fillet knife features a forged 7-inch blade made from high carbon "no stain" steel with FRIODUR® treatment, ensuring edge retention and corrosion resistance. The handle, crafted from durable polypropylene, provides a secure grip. The knife weighs only 0.6 lbs, supporting quick, controlled cuts in moderate-use environments. It is NSF-rated, compliant with sanitation standards, and manufactured in Germany, reflecting high craftsmanship and reliability. The product ships typically within 1 to 2 days, suitable for installation in professional kitchens requiring precise manual tools. Blade length: 7 inches, forged SIGMAFORGE® process Material: High carbon no stain steel, FRIODUR® hardened Handle: Ergonomic polypropylene with anti-slip grip Weight: 0.6 lbs for optimized handling Certifications: NSF approved for commercial food processing Manufactured in Germany, ensuring high-quality standards Dishwasher-safe for routine cleaning Operating temperature range: standard for kitchen use Dimensions: Blade length 7 inches; handle length approximately 5 inches Requires minimal clearance for handling and cleaning Compatible with standard fillet workstations Suitable for routine manual filleting tasks in commercial kitchens Supports HACCP compliance with easy sanitation Ideal for regional kitchens and small-scale seafood processing Why Choose Zwilling 31073-183? The Zwilling 31073-183 Four Star® fillet knife offers durable German craftsmanship with a forged blade and proprietary FRIODUR® treatment, optimizing edge retention. Its ergonomic handle enhances comfort during extended manual filleting, supporting efficient workflow in foodservice operations. Compared to competitors, this model provides a combination of high-quality materials, corrosion resistance, and precise control that meets professional sanitation standards while supporting moderate processing demands. Manufactured with high carbon no stain steel for longevity NSF-rated construction for commercial sanitation compliance Forged SIGMAFORGE® blade ensures consistent performance Ergonomic polypropylene handle reduces operator fatigue Compact, lightweight design optimizes manual handling in busy kitchens