QIC Tools square carbide insert knives with a flat edge are engineered for consistent, precise cuts in a wide range of woodworking applications. Crafted from premium micro-grain carbide, these inserts are designed for planers, jointers, and cutterheads, offering exceptional durability and long-lasting sharpness. The 4-sided, reversible design extends tool life by allowing you to rotate the insert when an edge becomes dull. The flat edge ensures a clean cut and smooth finish, perfect for both softwood and hardwood projects. Key Features: Square shape with flat cutting edges 4-sided, reversible design for longer tool life High-durability micro-grain carbide construction Clean, accurate cuts with minimal tear-out Ideal for use with a variety of woodworking machines Trusted quality from QIC Tools