1. High Carbon Steel Ensures Longevity and Strength.2. Second-cut grade is great for deburring, shaping, and sharpening.3. Double-cut teeth creates a smooth finish on interior contours and holes.4. Precision Milled, Tempered and Coated Teeth provide durable cutting and good performance.5. Large, comfortable handle gives you a reliable grip to control the stroke and pressure.6. Mill File is a versatile machinist file for working with metal, plastic, and wood. suitable for garages, factories, engineering, workshop and DIY use.Specifications:Product Name: Mill FileMaterial: High Carbon Steel, PlasticFile Size: 200mm / 8 InchFile Grade: Second Cut; File Teeth: Double CutHandle Size: 110mm / 4.3 Inch; Total Length: 310mm / 12.