Features： 1、2 Conventional Blades: The flush trimming drill bit has 2 conventional blades, which can be used on the router desktop, so that the template runs on the bearing, which can smoothly cut the texture and prevent tearing. 2、Tungsten Steel + High Speed Steel: Woodworking cutter with tungsten steel blade, high quality high speed steel body, heat resistant PTFE coating, more durable. 3、Application: Flush drill bit set is suitable for wood, medium density fiberboard, laminate, particle board, plywood compact board, acrylic, etc. 4、Smoothly Cut into Original Materials: The cutter can cut into the original material smoothly, resulting in clean, no debris. 5、Cutting Width: The cutting width of the woodworking milling cutter is 1/2in, which helps protect the template. Specification： Item Type: Trim Hinge Router Bit Material: Tungsten Steel + High Speed Steel Purpose: Profiled Bearing Flush Trim Bit Colour: Silver + Yellow Handle Diameter: 1/4in Handle Shape: Round Blade Length: Approx. 38mm / 1.5in, 25mm / 1in, 20mm / 0.8in, 11.9mm / 0.5in Cutting Width: 1/2in Package List： 4 x Profiling Bearing Flush Trim Bit 4 x Storage Box