Challenge Coin Knife Sharpeners
![U.S. Air Force Challenge Coin Knife Sharpener](https://rediedge.com/wp-content/uploads/2021/03/de1c2e3c__USAF_RECC_front_500x500.jpg)
Redi-Edge® U.S. Air Force Challenge Coin Knife Sharpener
![U.S. Navy challenge coin knife sharpener](https://rediedge.com/wp-content/uploads/2021/03/84f91566__RECC_Navy_front_500x500.jpg)
Redi-Edge® U.S. Navy Challenge Coin Knife Sharpener
![U.S. Marine corp knife sharpener](https://rediedge.com/wp-content/uploads/2021/03/736c6a7f__USMC_front_500x500.jpg)
Redi-Edge® U.S. Marine Corp Challenge Coin Knife Sharpener
Redi-Edge® U.S. Air Force Challenge Coin Knife Sharpener
Redi-Edge® U.S. Navy Challenge Coin Knife Sharpener
Redi-Edge® U.S. Marine Corp Challenge Coin Knife Sharpener