UltraFire Knife + Firestarter

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  • Dual purpose – blade + firestarter
  • Utility knife blade, replaceable
  • Ferro rod firesteel
  • Lightweight – 0.70 oz (19.9 g)


The UltraFire Knife combines two of the most essential pieces of any emergency survival kit – a good blade and a firestarter. It’s a dual-purpose, ultralight utility knife, excellent for everyday backcountry tasks like opening food packages, cutting cord, or first aid, plus a built-in ferro rod firestarter, ready for when making a fire is essential to survival.

This unique knife uses a standard trapezoidal utility knife blade secured so nearly the entire edge length is useable. The blade is easily replaced should it lose its edge. No need to resharpen, simply remove the screws to swap out the blade.

The blade cover incorporates a ferrocerium rod firesteel to shower sparks burning at 5500 °F (3000 °C) and quickly ignite tinder. The back of the blade is the perfect striker. And after lots of use, the rod can even be replaced by just removing the screws.

The light-weighted handle is made of durable nylon with a textured non-slip surface for a sure grip. Snap on the blade cover for safe storage in your pack or pocket. It has a lanyard hole on the end of the handle, but no pocket clip. And there’s even a slot on the blade cover for a carabiner.


ultrafire-knife-in-hand.jpg   ultrafire-knife-blade-back.jpg



Weight: 0.70 oz (19.9 g)

Dimensions (LxWxD): 5.45 x 1.25 x 0.26 in. (13.9 x 3.2 x 6.7 cm)


     Standard utility knife blade, trapezoid

     Material: Carbon steel

     Edge Length: 2.11 in. (5.4 cm)

     Thickness: 0.024 in. (0.61 mm)

     Blade Grind: Hollow ground

     Edge Grind: Plain edge

     Blade Lock: None, fixed blade


     Ferrocerium rod    

     Diameter: 0.122 in. (3.1 mm)

     Usable Length: 1.72 in. (4.37 cm)


     Length: 2.87 in. (7.3 cm)

     Material: Nylon

     Color: Dark Grey

     Lanyard Hole: ø0.103 in. (ø2.6 mm)

     Carabiner Slot (LxW): 0.63 x 0.22 in. (1.62 x 0.56 cm) on blade cover

     Pocket Clip: None



  • Very sharp. To avoid possible injury, point blades/tips away from you and others and use with caution when handling. Close or keep covered when not in use.
  • Sparks can fly in random directions. To avoid possible injury or damage, use caution when handling and only produce sparks away from you and others.
  • Keep your face away from sparks and do NOT produce sparks near another person's face to avoid injury.
  • Keep away from children to avoid injury.
  • Sparks will burn flammable materials. To avoid possible damage, keep sparks away from valuable flammable materials.

In no event shall Litesmith, LLC be liable for any direct, indirect, punitive, incidental, or special consequential damages, to property or life, whatsoever arising out of or connected with the use or misuse of its products.

2 Reviews Hide Reviews Show Reviews

  • 5
    Ultrafire Knife

    Posted by Steve Jones on 3rd Dec 2023


  • 5
    It Works Well

    Posted by TropicalZach on 29th Oct 2021

    Simple knife. Effective fire starter. Easy to use. Great idea and tool.