Item Type: Flush Trim Router Bit Material: Main Body: Carbon steel, Bit: Alloy Specification: Shank Diameter: 1/4in Blade Diameter: Approx. 19mm / 0.75in Package List 4 x Flush Trim Router Bit 4 x Storage Box 1For Straight Cut Work: Pattern bit is very suitable for making wall skirt grooves and all types of straight cut work on all composite materials, plywood, hardwood and softwood 2Suitable For Planer: Super long straight planer drill bit with bearing is suitable for CNC, handheld and desktop portable planer, very practical 3Good Finish: The straight hard handle is durable and wear resistant. The alloy blade use high grade welding, with high cutting accuracy and good finish 4Accurate Balance And Smooth Operation: Alloy cutter head with heat resistant coating, come with long lasting performance, of sharpness and durable, accurate balance and smooth operation 5With Storage Box: 1/4in shank diameter with 19mm blade diameter, equipped with storage box, convenient for you to use, carry and store