This is a Columbia River Knife & Tool Folding Knife known as the K.I.S.S., model 5500.
The Original K.I.S.S.(R)" with its Tanto-inspired blade and bead-blast finish" is the revolutionary high-tech statement by Knifemakers' Guild member and K.I.S.S. designer "Daddy K.I.S.S." Ed Halligan. It stands for "Keep It Super Simple." The Original K.I.S.S.(R) blade shape is Tanto-inspired-Chisel-Point grind on the front and flat on the backside-so that when the blade is closed onto its handle/frame" the precision fit effectively "seals" the cutting edge to the frame" even though it's exposed.
Features:
5.7 overall length;Stainless steel handle;2.25 blade length
Frame lock