Zero Tolerance 0640

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No KVT. No flipper. All function. The 0640 is a ZT and Ernest Emerson collaboration built for practicality and eye-catching style. The clip-point blade is CPM 20CV high-chromium stainless steel for a wicked, long-lasting edge. The handle is titanium with a green-and-black carbon fiber overlay on both sides of the handle. This fully manual knife opens one-handed with a thumb disk.

  • Made in the USA
  • CPM 20CV powdered metallurgy tool steel with high volume of vanadium carbides for exceptional wear resistance and long-lasting edge; high chromium for excellent corrosion resistance
  • Stonewashed titanium handle, green-and-black carbon fiber overlay, both sides
  • Fully manual, thumb disk opening

            Features & Details

            • TypeManual, Folder
            • UseEveryday, Work, Tactical
            • StylePocketknife
            • DesignerErnest Emerson
            • Blade StyleDrop Point
            • Blade EdgePlain
            • Opening ActionManual washers
            • Opens WithThumb disk
            • Lock TypeTitanium frame lock, hardened steel lockbar insert
            • PocketclipReversible (right/left, tip-up)
            • Made in USAYes
            • HardwareSteel pivot screw, tubespacers and screws with black-oxide finish, steel pocketclip with bead-blasted finish


            • Blade SteelCPM 20CV
            • Blade Length3.75 in. (9.6 cm)
            • HRC60–62
            • Blade Finish/CoatingStonewashed finish flats, satin finish grinds
            • Blade Thickness0.156 in. (0.396 cm)
            • Closed Length4.75 in. (12.1 cm)
            • Handle MaterialBlack gray carbon fiber front, titanium back
            • Handle ColorGreen & Black
            • Handle Finish/CoatingStonewashed finish back
            • Handle Thickness0.55 in. (14 mm)
            • Overall Length8.5 in. (21.6 cm)
            • Weight4.4 oz. (125 g)