Fangrui Product Details [pocket Size]--the Package Includes 3 Pieces Of Diamond Knife Sharpeners: 2 Pieces Of Double-sided Knife Sharpeners In Black And Orange, And 1 Piece Of Sharpening Pen To Meet And . [foldable Safely]--the Garden Tool Sharpener Is Made Of Diamond, Which Is Strong And . The Grip Made Of Abs Material Is Comfortable And Saves Effort, And Its Foldable Design Is Convenient For Storage And Carrying To Avoid Scratches. [double-sided Sharpening]--the Blade Sharpeners Coarse 400-grit Side Is Suitable For Quick Edge Repair, And The Fine Side 600 Grit Is Used For Honing To Improve The And Precision. Double-sided Sharpening Stone, No Oil Is Needed, And Only Dry Grinding Or Water Grinding Is Required. [retractable Sharpening Rod]-- Sharpening Rod Is Made Of Diamond Coating, And Has Good Wear Resistance And A Fine Grinding Layer, Which Can Sharpen Tools, Knives, Fish Hooks, Etc. Well. Comes With An Aluminum Cover That Protects The Sharpening Bar And Can Be Clipped To Your Pocket. [portable ]-- Diamond Knif