Usage Tips: CNC ROUTER BIT: The sharp carbide tipped bit, solid hardened steel bodies with anti-kickback design. Build up with heat resistant PTFE coating. This CNC router bit is specifically designed and manufactured for the demanded by woodworking industrial applications, router bit can withstand some heavy duty use and the test of time. VERSATILE WOODWORKING TOOl: This professional bottom cleaning router bit is not only perfect for wood slab flattening, resurface or plane the top surface of the spoilboard, but also for trimming and slotting/grooving. Great replacement bit tool for woodworking carpenter! USE RANGE: Suitable for woods, mdf, laminate, particle board, plywood compact panel, acrylic and etc. Avoid cutting metal and non-wood materials. Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Such as woodworking engraving machine, trimming machine, etc. GIFT: Router Collet Reduction Sleeve Tool Bit. For turning Electrical and mechanical wood carving milling chuck connector from 1/2 inch to 1/4 inch. Colour:silver Material:Cemented carbide Package Contents: 1 x 1/2 inch shank T-knife 1 x 1/2 inch to 1/4 inch chuck Only the above package content, other products are not included. Note: Light shooting 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.