- Industrial-grade Tungsten Steel Carbide: These file bits are made of sturdy tungsten steel carbide, ensuring exceptional toughness and extended lifespan. - Two-Pattern Efficiency: Double pattern burr design delivers enhanced productivity, providing secure, consistent, and functional performance for woodworking needs. - Versatile Soft Material Application: Ideal for engraving, chamfering, slotting, reaming, and hollowing soft materials like wood and plastic with accuracy and ease. - Smooth Chip Removal: Engineered for smooth chip removal during use, these file bits meet diverse working requirements with steady performance. - Use scenario: Engrave and detail soft wood or plastic surfaces with precise patterns and clean edges. - Use scenario: Chamfer edges and slot joints on wooden components, or create shallow channels for functional or decorative purposes. - Use scenario: Hollow pockets or cavities in soft materials for inlays, wiring channels, or decorative recesses.