High Quality Material: Cemented Carbide Router Bits, superior abrasion resistance; Steel bits that meet the high demands of woodworking and hardware. Sharp and Durable Blade: The router bit set uses high quality alloy blade through heat treatment, sharp and durable, precision balanced for smooth operation. Product Highlights: 8mm Router Bit Use on CNC and other automatic routers as well as handheld and table-mounted portable routers; it is especially effective for flat surfaces. Easy to Install: This milling bit is easy to install and maintain, 5 different types of size, so it is convenient for you to use it anytime, anywhere. A Wide Range of Uses: This milling bit is an essential tool for woodworkers, wide applications for grooving, engraving, cutting, milling, etc.