Set of Best Glide ASEs U.S. SHELBY CO. P-38 and P-51 Military Style Can Openers. Best Glide ASEs U.S. SHELBY CO. 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. Both are made of steel. Please note: These can openers are made of steel. However, there may be trace amounts of lead from the machining/stamping process, which may require warning labels pursuant to Californias Proposition 65. This labeling is only relevant to California. Since sellers cannot control which fulfillment center inventory is sent to customers in California vs. Outside of California (where it is not relevant), sellers may label all units in accordance with Californias Proposition 65. Thus, customers outside of California may receive fulfillment center inventory with this California Proposition 65 Warning.