The Whiteside 3120B slot and undercut bit is a versatile router bit for woodworkers and hobbyists. Ideal for cutting slots, grooves, and decorative patterns, this 1/2" shank bit allows you to create clean, precise features up to 1/2" deep with its 1/4" kerf. Whether you need to add detail to molding profiles, slots for table inserts, or undercuts to signs and letters, the 3120B performs smoothly at speeds up to 16,000 RPM. Its carbide cutter resists chipping and dulling on hardwoods as well as softer composite woods and plastics. With clean cuts and long-lasting sharpness, this 1/2" slot and undercut bit streamlines routing tasks and delivers professional results for any woodworking or sign-making project.