This is a Columbia River Knife & Tool known as the THERO, model 6290.
The Thero(TM) everyday carry may be supremely thin and lightweight but it's got the bite of a prehistoric carnivore. A skeletal handle looks like an ancient T. rex and will help maintain a solid grip when up against everything from a greasy gasket to a wooly mammoth.
Features:
Tough Glass Reinforced Nylon Handle Features a Single Layer Carbon Fiber Underlay for Prehistoric Look
Flipper for Fast Opening
Red Anodized Pivot Ring Accent
On blade Friction Grooves for Grip