Usage Tips:1. High Precision Cutting: The 2PCS 4x28x50mm Shank Spiral Milling Cutter is designed for CNC engraving and carving, ensuring accurate and smooth cuts every time. 2. Durable Construction: Made with high-quality materials, these CNC router bits are built to withstand heavy use in woodworking projects, providing long-lasting performance. 3. Versatile Application: Ideal for various woodworking tasks, the 2PCS 4x28x50mm Shank Spiral Milling Cutter is perfect for both professional woodworkers and DIY enthusiasts. 4. Easy Installation: The 4x28x50mm shank size makes it compatible with most CNC routers, allowing for quick and effortless setup of your carving router bit. 5. Enhanced Performance: Experience superior engraving and carving capabilities with our spiral milling cutter, specifically designed to deliver exceptional results on a variety of wooden surfaces. Colour:silver Material:Tungsten steel Package Contents: 2 * 4 x 28 x 50mm Shank Spiral Milling Cutter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.