Ontario Knife Automatic Rescue Knife Ark. Specifications for Ontario Knife Automatic Rescue Knife Ark: Manufacturer: Ontario Knife Knife Application: Rescue Quantity: 1 Package Contents: Ontario Knife Automatic Rescue Knife Ark The Ontario Knife Automatic Rescue Knife Ark is a quality addition to the Ontario Knife lineup. For more great deals on Pocket Knives by Ontario Knife please browse our Ontario Knife Knives page.