Scotty 990 Knife Sharpener. Safe easy to use and can conveniently be stored in a tackle box or galley. Tungsten Carbide blades may be rotated to extend the life of the sharpener. Specifications for Scotty 990 Knife Sharpener: Manufacturer: Scotty Application: Kayaking Fabric/Material: Nylon Weight: 0.14 lb Features of Scotty 990 Knife Sharpener The ultimate sharpening device that is simple to use Hold the sharpener in one hand and draw your knife through the sharpening blades A razor sharp knife blade in seconds every time Tungsten carbide blades may be rotated to 8 different positions to extend the life of the No. 990 Knife Sharpener Perfect for your tackle box galley barbeque and workshop Package Contents: Scotty 990 Knife Sharpener Scotty 0990: 990 Knife Sharpener