1/4 inch shank flush trim router bit set, 1/2 inch in blade dia. Blade length 10mm, 20mm, 25mm, 38mm.C3 Mini-grain tungsten carbide blades, high-quality alloy steel bodies. Heat resistant PTFE coating.Useful for trimming, grooving, etc. Such as DIY project, lettering, and other template work,Suitable for solid wood, particleboard, MDF, plywood, etc. Create very smooth cuts.Designed for the hand-held and table-mounted router, it can not be used in electric drill & drill machines.Color: yellowShank diameter: 1/4 inchBlade diameter: 1/2 inchBlade length: 10mm, 20mm, 25mm, 38mmMaterial: Cemented carbideWeight: 4.6 ouncesNote:Designed for the hand-held and table-mounted router, it can not be used in electric drill & drill machines.The flush trim router bit must be fully inserted and tightened.Package included:4* Trim Router BitsOnly the above package content, other products are not included.Note: Light 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store