ROK 31160 18 mm SK4 Heavy-Duty Utility Knife

The ROK 31160 18 mm Heavy-Duty Utility Knife is a practical solution for professionals who demand precision, safety, and durability in one reliable tool. Manufactured with ultra-sharp SK4 high carbon steel blades and backed by a stainless steel guide rail, this utility knife is built to handle tough cutting tasks like drywall, rope, carpet, cardboard, and more. Its snap-off blade design ensures users always have a fresh edge ready, minimizing downtime and improving cutting accuracy in fast-paced environments.

The knife features a textured poly handle with a soft anti-slip grip and non-slip ABS rubber casing, offering comfort and control even during extended use. The ratchet-style locking mechanism adds another level of safety by letting users adjust and lock the blade at multiple lengths. Combined with a reinforced metal blade channel for added rigidity, the ROK 31160 is a smart choice for those working in high-demand jobsite conditions.

ROK 18 mm Heavy-Duty Utility Knife At a Glance

• SK4 High Carbon Steel Blade: Offers excellent edge retention and ultra-sharp performance for tougher materials.
• 0.5 mm Thick Blade: Provides greater durability and cutting strength over standard blades.
• Heavy-Duty Stainless Steel Guide: Adds stability and ensures precise, straight cuts.
• Anti-Slip Comfort Grip: Increases handling comfort and reduces hand fatigue during extended use.
• Snap-Off Blade Design: Keeps cuts sharp and efficient by allowing quick edge refresh on the job.
• Texturized Poly Handle with Rubber Grip: Combines durability with slip-resistance for controlled cutting.
• Safety Ratchet-Lock Mechanism: Lets you securely adjust and lock the blade at multiple lengths.
• Metal Blade Channel: Reinforces the knife body, preventing flex during tough.

Markets

• Construction Trades Reliable for drywall, vapor barrier, and insulation cutting on site with consistent performance.
• Flooring and Interior Finishing Cuts through carpet, vinyl, and foam underlay with clean lines and minimal effort.
• Warehousing and Distribution Snap-blade feature keeps the pace up during package prep, pallet work, and box breakdown.
• Electrical and HVAC Ideal for cutting duct wrap, zip ties, and insulation without blade wobble or slips.
• Educational and Shop Programs A quality choice for trades training programs needing safe, effective cutting tools.
• Home Improvement and DIY Projects Gives home renovators a pro-grade tool for trimming, shaping, and general repairs.
• Municipal Field Services Tough enough for daily use in tool kits for park maintenance, signage, and grounds work.

The ROK 31160 18 mm Heavy-Duty Utility Knife was Designed for Jobsite Versatility and Safety! The SK4 steel blade’s edge-holding ability means fewer replacements and cleaner cuts, reducing frustration and improving work efficiency. Whether you’re trimming underlay during flooring installs, cutting roofing membranes, or prepping packaging in a warehouse, this knife gives you a secure feel in the hand and keeps pace with daily tasks. The heavy-duty stainless steel guide ensures consistent cuts even under pressure, making it a trusted tool across industries that rely on performance and safety.

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

• .5mm thick blade
• SK4 High Carbon Steel Blades
• Heavy Duty Stainless Steel Guide
• Anti-Slip Comfort Grip
• Snap off Blades
• Poly handle with texturized soft grip
• ABS Casing with Non-Slip Black Rubber Grip
• Metal blade channel adds stiffness
• Safety ratchet-lock mechanism
• Ultra Sharp SK4 Blade

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

• Blade Width: 18 mm
• Blade Thickness: 0.5 mm
• Blade Type: SK4 High Carbon Steel – Snap-Off
• Handle Material: Poly handle with texturized rubber grip
• Casing: ABS with non-slip rubberized surface
• Guide: Heavy-duty stainless steel
• Locking System: Safety ratchet-lock
• Weight: 0.25 lbs
• Cutting Capabilities: Cardboard, carpet, leather, rope, and more

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

The ROK 31160 is a no-nonsense snap-off utility knife that meets the demands of fast-paced, hands-on work. Tradespeople know the hassle of dull blades and slippery handles—this knife eliminates both with a secure grip, easy blade advancement, and a high-carbon edge that stays sharp. It’s jobsite ready, workshop tough, and perfect for anyone tired of blades that break down too soon. Whether you’re cutting through layers or making fine detail trims, this knife is ready for it.