Benchmade 100604F Guided Field Sharpener The Guided Field Sharpener is a compact knife and tool sharpener designed for use in the field. Built-in 20 degree angle guides ensure a consistent bevel angle across the entire edge of the blade. Five abrasive steps provide a complete sharpening solution. All elements are self contained and require no assembly in the field. Sharpen many other other tools including scissors, fish hooks, broadheads and more. Developed in partnership with Work Sharp --Brand: Benchmade / Work Sharp --Model Name: Guided Field Sharpener --Model Number: 100604F --Item Number: BM100604F --Country of Origin: USA with imported parts