Usage Tips:3 WINGS WOOD CNC ROUTER BIT: Shank: 1/4inch; Cut Diameter:1inch; Cut Length: 1/4inch. CNC SURFACING ROUTER BIT: The sharp carbide tipped bit, solid hardened steel bodies with anti-kickback design. Build up with heat resistant PTFE coating which can reduce resin build-up for fast and easy cleaning. 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 ROUTING 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 for CNC ROUTING BITS: Suitable for solid 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. Colour: black Material: metal Size: 30x30x80mm Package Contents: 1 * milling cutter 1 * 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.