Lansky Sharpeners Folding Tapered Diamond LS09735. This Knife Sharpener from the knife experts at Lansky Sharpeners is a folding tapered diamond rod. Don't let any one know you have a knife without the Lansky Sharpeners Folding Tapered Diamond. Specifications for Lansky Folding Tapered Diamond: Manufacturer: Lansky Sharpeners Fabric/Material: Diamond Quantity: 1 Package Contents: Lansky Sharpeners Folding Tapered Diamond Lansky Sharpeners LS09735: Folding Tapered Diamond