Features 1、High Speed Steel: Woodworking files milling cutters are made of high quality high speed steel materials, wear resistant and durable 2、High Production Efficiency: This woodworking file and milling cutter has rotating burrs, high production efficiency, safety and reliability, and easy grinding 3、Application: Suitable for engraving, chamfering, slotting, reaming, hollowing, etc. of soft materials such as wood and plastic 4、High Working Efficiency: The woodworking file and milling cutter has high working efficiency, good grinding effect and long service life 5、Wide Applications: Very suitable for woodworking and carving, Easy cutting experience and high accuracy Specification Item Type: HSS Burr Set Material: High Speed Steel Shank Diameter: Approx. 3mm / 0.12in Total Length: Approx. 40mm / 1.57in Purpose: Woodworking Package List 20 x Woodworking File Milling Cutter