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6/21/24 : Last day of the Grads & Dads 2024 Sale - 10% off Parts & Accessories / 5% off Firearms. *some exclusions may apply*

Benchmade 4170BK Auto Fact Knife - Aluminum/Carbon Fiber


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Benchmade 4170BK Auto Fact Knife - Aluminum/Carbon Fiber


The 417 Fact® re-imagined the classic Italian Stiletto knife as a contemporary EDC and Tactical tool. Now it’s been taken one step further with the new 4170BK Auto Fact®. Featuring aerospace aluminum handle scales with a sleek carbon fiber inlay, the addition of the Auto AXIS® mechanism connects this modern-day folder to its traditional switchblade roots. A black DLC coated blade, made of premium S90V super steel, ensures phenomenal edge retention for prolonged life and low maintenance, making the Auto Fact® a perfect choice for enthusiast and super-spy alike.



  • Blade Edge: Plain
  • Blade Finish/Color: Diamond-like Carbon Coated
  • Blade Steel: CPM-S90V (59-61 HRC)
  • Blade Style/Shape: Spear-point
  • Clip Type: Deep-Carry
  • Clip Position: Reversible Tip-Up
  • Handle Material: 6061-T6 Aluminum and Carbon Fiber
  • Lanyard Hole: No
  • MOLLE Compatible: No
  • Use: Every Day, Tactical
  • Blade Style: Plain Spear-Point
  • Handle Material: Blade Finish: DLC Blade Steel: CPM-S90V (59-61) 
  • Handle Material: Carbon fiber and 6061-T6 Aluminum (Carbon Fiber and Silver)
  • Blade Length: 3.95"
  • Blade Thickness: 0.11"
  • Length Open: 8.74"
  • Length Closed: 4.80"
  • Weight: 3.11oz
  • Handle Thickness: 0.51"
More Information
SKU 4170BK
Product Type Knife
Manufacturer Benchmade

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