The Ontario RAT Model 1 folding knives feature an open post construction for easy cleaning. The ergonomic nylon handles and spine jimping create a great design with great control. This knife is complete with a 4-way position pocket clip and lanyard hole for a choice of carry options. Situated in New York State's scenic Southern Tier, Ontario Knife Company produces one of the most comprehensive, wide-ranging product lines in the cutlery industry today. While being a worldwide supplier, the Ontario Knife Company is also a major supplier to the U.S. Government and its military. Ontario has built its reputation on a heritage of uncompromising craftsmanship, quality materials and components, and a steadfast commitment to its workforce. Liner Lock locking mechanism. Thumbstud for easy one-handed opening. Black coated, flat ground blade. Blade has a hardness of 55-56 HCR. Includes four-position pocket clip.