Accusharp 5-Stone Precision Kit 6 Angles. Fine medium coarse and extra-course alumina-oxide stones and ceramic stone. Knife clamp has settings for 11 15 19 21 25 and 30 degree angles. Boxed. Specifications for Accusharp 5-Stone Precision Kit: Manufacturer: AccuSharp Grit: Coarse Fine Color: Multicolor Additional Features: 6 Angles Condition: New Quantity: 5 Package Contents: Accusharp 5-Stone Precision Kit Accusharp 059C: 5-Stone Precision Kit 6 Angles