Sharpener 8in. Pro Hone AC51. This knife sharpener has high carbon steel blades with premium jigging and edge-holding and custom sharpening rods. The Sharpener 8" Pro Hone Sharpener has an adjustable bevel allowing the sharpener to be used for serrated or straight edge knives and for sharpening serrated knives. Large holes and rounded tips allow for sharpening almost any dull serrated edged or blunt knife. For best results we recommend that you follow the sharpening guide exactly. There are many sharpening products similar to the Sharpener 8in. Pro Hone Knife Sharpener Specs. Specifications for Sharpener 8in. Pro Hone: Manufacturer: Sharpener Handle Material: ABS Blade Material: ABS Package Contents: Sharpener 8in. Pro Hone Sharpener AC51: 8in. Pro Hone