ROK 31202 18 mm ROK SOLID BLACK BLADE Heavy-Duty Utility Knife

The ROK 31202 18 mm Heavy-Duty Utility Knife is built for serious cutting jobs with a focus on power, safety, and long-lasting performance. Equipped with a Premium SK4 Black Blade sharpened using advanced laser technology, this utility knife achieves a blade hardness up to 25% greater than standard models. Its double-honed edge ensures each cut is clean, smooth, and consistent, even through thick materials. Designed with safety and ergonomics in mind, the polycarbonate handle fits securely in the hand, while the 55 lbs safety lock holds the blade in place under high tension.

This knife is durable enough for daily industrial use, offering strong resistance to rust, warping, and blade dulling. Whether you’re slicing carpet, rope, leather, or multiple layers of cardboard, this tool keeps cutting cleanly. Backed by a thickened blade holder and precision locking system, the ROK 31202 is a staple in toolboxes across the trades.

ROK 18 mm Heavy-Duty Utility Knife At a Glance

• Laser-Hardened Blade: Boosts blade hardness up to 25% for longer edge retention and durability.
• Double-Honed Edge: Provides superior cutting sharpness, reducing drag and effort.
• Rust-Proof Black Blade: Delivers long-lasting performance even in moisture-prone environments.
• Polycarbonate Ergonomic Handle: Designed for all-day use, giving you a secure, non-slip grip.
• Thick Blade Holder: Adds strength and rigidity for high-pressure cutting applications.
• Safety Lock Mechanism: Holds the blade firmly with 55 lbs of locking force to minimize injury risk.
• Heavy-Duty Build: Ideal for cutting tough materials like rope, leather, carpet, and dense cardboard.

Markets

• Construction Trades Ideal for fast, clean cutting of materials like drywall, insulation wrap, and packaging during site work.
• Flooring Installation Cuts through carpet and vinyl underlay smoothly without bending or slipping.
• Municipal Services Perfect for daily maintenance kits requiring durable and secure cutting tools.
• Upholstery and Auto Shops Handles leather and fabric cuts with control and clean lines—great for detailed trim work.
• Warehousing and Logistics Reliable for cutting through strapping, boxes, and shrink-wrap safely and efficiently.
• Education and Training Programs A practical, affordable knife that meets the durability demands of trade schools and shop classes.
• DIY and Home Renovation Offers professional-level results for home users tackling renovation or hobby work.

The ROK 31202 18 mm Heavy-Duty Utility Knife is Built for the Trades, Ready for the Job! From commercial construction and flooring installs to upholstery shops and municipal services, the ROK 31202 makes tough jobs easier and safer. With a design that balances precision and durability, professionals in high-volume, high-stress environments will see faster, cleaner cuts with fewer blade changes. The heavy-duty lock and ergonomic grip reduce strain and improve jobsite confidence when working with aggressive materials.

ROK 31202 18 mm ROK SOLID BLACK BLADE Heavy-Duty Utility Knife Features

• Manufactured using cutting edge laser-sharpening technology increasing blade hardness up to 25%
• Double-honed edge for superior sharpness
• Rust-Proof HD Black Blade delivers long lasting durability and endless clean cuts
• Ergonomically designed polycarbonate handle offers a secure comfortable grip
• Thick blade holder increases strength
• Safety lock mechanism ensures blade securement providing maximum protection
• 55lbs Locking Force for extra safety
• Built to withstand the toughest cutting jobs including cardboard, carpet, leather, and rope
• Premium SK4 Blade
• Thinkness: .5 mm

ROK 31202 18 mm ROK SOLID BLACK BLADE Heavy-Duty Utility KnifeSpecifications

• Blade Width: 18 mm
• Blade Thickness: 0.5 mm
• Blade Type: Premium SK4 Black Blade
• Edge: Double-honed
• Handle: Polycarbonate ergonomic grip
• Locking Force: 55 lbs safety lock
• Cutting Capabilities: Cardboard, carpet, leather, rope, and more

Why Tradespeople Choose the ROK 18 mm Heavy-Duty Utility Knife

This knife stands up to daily abuse, delivers consistent performance, and doesn’t slip under pressure—exactly what you need in a jobsite-grade utility knife. The black blade design isn’t just for looks—it’s laser-tempered for real edge-holding power and built to last in wet, dirty conditions. From box-ripping to carpet-stripping, this blade doesn’t quit. It’s a go-to for pros looking for something stronger than the typical throwaway blade.

If you’re looking for a heavy-duty utility knife that blends power, safety, and performance, the ROK 31202 hits the mark for industrial trades, fieldwork, and demanding workshop conditions.