Sterling Sharpeners Compact Knife Sharpener Digital Camo STSDC. It sharpens all types of knives from the smallest to the largest. A container of diamond-honed medium grit tungsten carbide ensures that the diamond-honed medium will not scratch or damage your knife while sharpening. This Diamond-honed sharpener can be hung from the edge of a table or bench or carried in your pocket. Manufactured in the USA. Limited lifetime warranty. Package Contents: Sterling Sharpeners Compact Knife Sharpener Sterling Sharpeners STSDC: Compact Knife Sharpener Digital Camo