Columbia River aluminum InterFrame build SF folders share a unique design offering a combination of Carson M16 Series features requested by military procurement specialists. The dual grind Tanto blades were specified because they offer maximum strength. The open build allows two Carson Flippers to be incorporated, resulting in a true hilt— very rare in folding knives. The M16-14SF Big Dog Aluminum is CRKT hefty utility version, with a 3.875" (98 mm) dual grind Tanto blade and full-size handle with butt pommel. Blade, frame and hardware are non-reflective tactical black. The blade receives a black titanium nitride coating for maximum corrosion resistance. Kit's trademark dual checkered thumb studs are standard. One-hand opening and closing is quick and smooth.