The Redi-Edge® Challenge Coin Knife Sharpener is unmatched in its design and effectiveness. The convenient “challenge coin” design enhances the portability of the sharpener. The Navy version of the Redi-Edge® Challenge Coin is engraved with the Navy logo on the front and the US Navy Seal on the back. The Redi-Edge® Challenge Coin’s Duromite™ inserts are harder than any knife blade. The RECC-NA comes factory- set at a 40° inclusive angle, maintaining a consistent 20° double edge on most knives.
Made in the USA! Lifetime Warranty.