Chris Reeve Umnumzaan Frame Lock Knife, Stonewash Plain

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The Chris Reeve Umnumzaan deserves respect. A bold, innovative folder, the Umnumzaan features a ceramic ball that creates the interface between the blade locking surface and the integral locking arm surface. The ball also serves to drop into a detent keeping the blade closed when you want it that way. The CPM S35VN stainless steel blade has a unique spine shape and fine jimping on the thumb ramp. The blade locks open with a solid framelock. The 6AI4V titanium handle features a deep crosshatching pattern for texture, grip and visual appeal. The thumb lugs double as a stop pin. Each lug has a polyurethane o-ring that acts as a shock absorber to cushion the impact of the lug on the handle. Tip up, right hand pocket clip.


  • Blade Length: 3.675" (93.35 mm)
  • Blade Thickness: .140" (3.56 mm)
  • Blade Material: CPM S35VN Stainless Steel
  • Blade Hardness: 58-59HRC
  • Blade Style: Clip Point
  • Blade Finish: Stonewash
  • Handle Length: 4.77" (121.16 mm)
  • Handle Thickness: .150" (3.81 mm)
  • Handle Material: 6AI4V Titanium
  • Fittings: 303 Stainless Steel
  • Weight: 5.0 oz. (141.75 g)
  • Pocket Clip: 6AI4V Titanium, Right Hand, Tip Up