JUST PRESS A BUTTON ON THE KNIFE AND THE BLADE AUTOMATICALLY SWINGS OPEN AND LOCKS INTO POSITION. A SEPERATE SMALL SWITCH ON THE KNIFE CAN BE ENGAGED PREVENTING IT FROM OPENING WHEN IN A POCKET OR KNIFE SHEATH. $25 EACH OR $70 FOR ALL THREE, TAX INCLUDED.   NO SHIPPING ON KNIVES

  KNIFE DIMENSIONS ARE; 

  8" OPEN / 4.5" CLOSED FOR THE  SINGLE BLADED KNIVES.  

  7" BOTH BLADES OPEN / 5" ONE BLADE OPEN / 3.25" BOTH BLADES CLOSED FOR THE DUAL BLADED KNIFE.