This professional router bit set is perfect for Straight notching and other woodworking tasks. Containing diameter double flute straight bits, it allows you to cleanly trim edges and surfaces. The 1/4 inch ,Slotted diameter 0.12inch,shank is compatible with most routers and the straight configuration provides smooth and precise cuts. Whether you need to flush trim laminate or veneer, create grooves and rabbets, or shape moulding profiles, these bits ensure clean results. Their carbide cutters remain sharp for the life of the project, cutting through wood, MDF, plastics and more with ease. The bits also feature balanced cutting action to reduce vibrations for smooth, safe routing.