Jonard Tools UKN-3 Heavy Duty Utility Knife

For technicians and tradespeople who need a reliable cutter on surveillance, security and low-voltage jobs, the Jonard Tools UKN-3 heavy duty utility knife puts fast, precise cutting at your fingertips. This utility knife combines a zinc alloy die-cast housing with a compact 6.9" length and a lightweight 7.02 oz profile so it stands up to rugged jobsite use without weighing you down. Change blades quickly with the multi-position push-button system—no extra tools required—and lock the blade in four positions for controlled cuts through cable jackets, carpet, drywall and packaging. The UKN-3 stores up to three spare blades inside the handle and accepts most standard utility blades, keeping you prepared for extended installs in security, surveillance and network deployments. A tethering hole adds safety and convenience for working at height or in tight racks. Built by Jonard Tools for professional environments, this heavy duty utility knife reduces interruptions and increases cutting accuracy on every job. Add the UKN-3 to your tool kit for faster, cleaner cuts—ideal for security system installs, monitoring equipment setup, and general AV or network cabling work.

• Fast, tool-free blade changes with a push-button system to minimize downtime on site
• Durable zinc alloy housing delivers heavy-duty strength while remaining lightweight (7.02 oz) for all-day use
• Four-position blade lock for precise, consistent cuts in cable, conduit, drywall and packaging
• Integrated blade storage holds up to 3 spare blades so you’re ready for longer jobs without interruption
• Tethering hole and standard blade compatibility for secure, versatile use in security and networking installations