<B>This flush trim router bit set made of high quality material. Perfect for hand making a furniture or other woodworking. 4 different sizes to meet what you needs. </B> <B><Br/><Br/>4 different sizes to meet what you needs.</B> <Br/><Br/>1. Designed for the hand-held and table-mounted router, it can not be used in electric drill & drill machines. <Br/><Br/>2. Avoid cutting black metal and non-wood materials such as steel, iron, and sand <Br/><Br/>3. The flush trim router bit must be fully inserted and tightened, failure to do so may result in breakage and damage to the tool shank. <Br/><Br/>4. Keep the router bits clean. After use, remove the resin, wood chips and other contaminants from the wood and use standard industrial solvents to clean the bits.With a plastic box, When not in use, please put in the box. <B><Br/><Br/>Feature:</B> <Br/><Br/>Made of industrial grade micro grain carbide blade, high hardness and long service life <Br/><Br/>Build-up & heat resistant teflon coating, prevent breakage or bending under high-speed working conditions <Br/><Br/>Double-edged with top ball bearing cutting design, provide an stable fast balanced and accurate trimming cuts, splinter free <Br/><Br/>Anti-kick back design，safe to use <Br/><Br/>Comes in a tough plastic case, easy to storage and carry <Br/><Br/>Suitable for MDF, solid wood, particle board, plywood, etc <Br/><Br/>Used for trimming and grooving in all woodworking projects <Br/><Br/>Use on hand-held routers, laminate trimmers, and table-mounted portable routers;can not be used in electric drill & drill machines <B><Br/><Br/>Specification:</B> <Br/><Br/>Material: <Br/><Br/>Body: Solid Hardened Steel <Br/><Br/>Blade: Industrial grade micro grain carbide <Br/><Br/>Cutter: CNC ground to a 600 grit, mirror-like finish <Br/><Br/>Shank Diameter:1/4 inch (6.35mm) <Br/><Br/>Blade diameter: 1/2 inch <Br/><Br/>Blade length: 0.39"/10mm, 0.79"/20mm, 1"/25mm, 1.5"/38mm <Br/><Br/>Color: Yellow