Features: brand new and high quality Applicable Equipment: Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machine, trimming machine. Material: Made of high quality carbon steel & YG9 & alloy material, practical and durable. Practical Tool: This bit is not only specially for wood slab flattening, resurface or plane the top surface of the spoil board but also for trimming, slotting or grooving. Sturdy Durable: Precise cutting reduces debris and burrs, and has an anti-backlash design. High-precision grinding technology, stable and efficient. Wide Application: Suitable for woods, laminate, particleboard, plywood compact panel, acrylic and etc. Avoid cutting metal and non-wood materials. Specifications: Material: Carbon Steel + YG9 + Alloy Shank Diameter: 8mm/12mm/12.7mm Note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Router Bits