Set of U.S. SHELBY CO. P-38 and P-51 Military Style Can Openers with Key Ring (Bundles) & Instruction Card The P-38 and P-51 Military Style Can Openers are perfect for camping, hiking, fishing or for the survivalist in your family. The P-38 is approximately 1.5 inches long and the P-51 is approximately 2 inches long. The Key Ring is a 1 inch in diameter Split key ring. Includes an Instruction Card for using the can openers. Set of U.S. SHELBY CO. P-38 and P-51 Military Style Can Openers with a Key Ring (Bundles) & an Instruction Card. The P-38 and P-51 Military Style Can Openers are perfect for camping, hiking, fishing or for the survivalist in your family. The P-38 is approximately 1.5 inches long and the P-51 is approximately 2 inches long. The Key Ring is a 1 inch in diameter Split key ring. Please note: These can openers are made of cold-rolled steel. However, there may be trace amounts of nickel, lead, or other metals from the machining/stamping process, which may require warning labels pursuant to California's Proposition 65. This labeling is only relevant to California. Since seller cannot control which fulfillment center inventory is sent to customers in California vs. Outside of California (where it is not relevant), seller may label all units in accordance with California's Proposition 65. Thus, customers outside of California may receive fulfillment center inventory with this California Proposition 65 Warning.