The WESTWARD mill blunt file is designed for cutting fine amounts of material from a work piece. Single cut on each flat and two square edges with each edge single cut. Ergonomic handle. Cut Type: Bastard Length: 8" Width: 13/16" Thickness: 5/32" Edges: 2 Flat Teeth per Inch: 43/46 Application: For Sharpening Mill/Circular Saw and Draw Filing/Finishing Metals