List: $430.00 |Save: $43.00

Benchmade 4170BK AUTO Fact® Folding Knife

In stock in approximately 4 weeks.


4170BK Auto Fact®

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 enthusiasts 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
  • Blade Style: Plain Spear-Point
  • Blade Length: 3.95” | 10.03cm
  • Blade Thickness: 0.11” | 2.794mm
  • Open Length: 8.74” | 22.20cm
  • Closed Length: 4.80” | 12.19cm
  • Handle Thickness: 0.51” | 12.95mm
  • Weight: 3.11oz | 88.17g
S90V: Premium American-made powdered steel with a uniform microstructure that provides substantial improvements over other American-made steel in wear and corrosion resistance; an excellent high-end steel.

Auto AXIS®: Strong, reliable, fast, and AXIS® lock through and through, this locking mechanism fires the blade open 100% mechanically when the AXIS® bar is pulled downwards. Auto AXIS® also features integrated safety mechanisms and the added safety of “suck-back.”


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