The P-51 can opener is a cheap, but extremely effective tool. The P-51 and P-38 can openers are also known in the military circles as the John Wayne. This awesome piece of equipment is lightweight, and works. The p-51 is larger than the P-38 and makes it easier to open cans. Allows you to open cans of any size.
A P-51 will work on any size can rim. When the power is out or your electric can opener bites the dust, a P-51 Can Opener will save the day. Originally manufactured for soldiers in the field to open their canned rations, the US P-38 is durable, high quality and has developed a history of its own through numerous wars and military operations.
Don’t get caught in a thunderstorm, hurricane or ice storm without a working can opener. The US P-38 and P-51 Can Openers are perfect for camping, hiking, fishing or for the survivalist in your family. Be sure to carry a P-38, or P-51 on your key ring, dog tag chain, tackle box or in your emergency survival kit.
These openers can be found in local or online military surplus stores. I found these offers from Amazon: