Enough To Use: The Package Comes With 2 Fixed Grinding Angle Tools In Black, Enough Quantity To Meet Your Applications And Replacements When You Learn The Grinding Movement Simple But Practical: The Guide Of Sharpening Adopts Classic Black, Easy To Match With Most Styles Of Sharpeners, And Can Help You Easily Sharpen At The Right Angel, Giving You A Safe Using Experience Ensure Safety And Improve Efficiency: L The Fixed Knife Sharpener Has A Humanized Design Which Can Let You Maintain A Certain Angel And Reliable To Apply Force When You Sand Quality In Use: The Sanding Aid Kit Is Made Of Solid Plastic And Ceramic , Sturdy And Reliable, Portable And Smooth, Not Easy To Deform Or Break, Allowing You To Use It For A Long Time Applicable Places: These Constant Grinding Angle Guides Can Be Applied To Firmly Fix The E Knife And Hold It At A Certain Angle, Suitable For Most Knives, Such As Fruit Cutters, Kitchen Knives, Industrial Knives And More, Suitable For Home, Office, Restaurant, Market, Shop