Columbia River Knife & Tool Chogan Mattock, Tool, Plain Edge With Spike, 2.14 Blade, Tennessee Hickory Handle, 1055 Carbon Steel, Corrosion Resistant Coating, Black Blade 2738 The confidence it gives you. The right tool is everything" which is why they are here. For nearly 30 years" CRKT has relentlessly pursued what's next. They are always exploring" experimenting" and inventing new ways. It's an endless collaboration with amazing designers" customers and the people who put their knives and tools to use.