Work Sharp Benchtop Benchstone Knife Sharpener - The Work Sharp Benchtop Bench Stone is an Angle Guided, 3-sided abrasive sharpening system. Medium and Fine Grit Diamond Plates quickly restore a sharp edge, while the Fine Grit Ceramic Stone creates an incredibly keen edge on any knife. The innovative Pivot Response System allows the abrasive to follow the curve of the blade – making manual sharpening faster, easier and more precise than ever. Sharpening Guides are interchangeable from 20 degrees or 25 degrees and optional to use. Pivot Response feature can be locked out to provide a rigid sharpening surface for a wide range of knife & tool sharpening applications. Sharpening Guides can be set to 20 degrees or 25 degrees or removed to sharpen freehand. Quickly index between coarse and fine diamond and fine ceramic stone. Abrasive follows the curve of the blade to maintain contact and create the best results.