Spring Assist - Side Opening Viper Knife - Tanto



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  • Blade: 2 7/8"
  • Closed: 4 1/2"
  • Overall: 7 5/8"
  • Steel: 4034 Stainless Steel
  • Handle: Aluminum
  • Weight: 3.2 oz.
  • Pocket Clip: Yes

A brand new method of spring assisted opening! This tactical folder features a metal handle frame with just one side. To open this unique knife, you release the slide safety and press through the hole in the handle. By pressing on the side of the blade, you begin the spring assist process, and the blade snaps the rest of the way open with lightening speed.

Product Specifications:

  • Blade: 4034 Stainless Steel, finished in black.
  • Aluminum handle with textured grip.
  • Includes pocket clip.
  • 2 7/8 in. blade, 7 5/8 in. overall, 4 1/2 in. closed.

How are Spring Assist different from a Gravity Knife or Automatic Switchblade Knife?

Gravity or Switch Blade knives feature a button, level, or other type of switch that releases a spring pressure to automatically open the blade. On a Spring Assist knife, there is no separate button or switch. Instead, you apply pressure to part of the blade to begin the opening process. This is usually a small bump of metal which sticks out under the knife, making it fast and comfortable to use. Once you press on that part of the blade, it automatically opens and locks into place. Since the action of opening the knife is started by pressing the blade metal, instead of a button or switch, it is considered to bypass the laws which ban Switch Blade knives.


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