QIC Tools 4-Sided Insert Knives and Special Inserts for Woodworking QIC Tools 4-sided insert knives and special inserts are designed for precision cutting in a variety of woodworking applications. Made from premium micro-grain carbide, these knives offer exceptional durability and long-lasting sharpness, making them ideal for planers, jointers, and other woodworking machinery. The 4-sided design allows for extended tool life, as each insert can be rotated to a fresh edge. Additionally, our special inserts are tailored for specific cutting needs, ensuring versatility and excellent performance across a wide range of projects. Whether you're cutting softwoods, hardwoods, or composite materials, these inserts provide clean, smooth finishes with minimal tear-out. To ensure you select the right insert for your machine and project, please refer to the legend in the chart photo, which shows the various 4-sided insert types and special inserts based on shape, size, and specifications. Key Features: 4-sided design for longer tool life Made from high-durability micro-grain carbide Ideal for precise cutting in planers, jointers, and other machinery Special inserts for unique cutting tasks Clean, smooth cuts with minimal tear-out Use the legend in the chart photo to identify the correct insert type Trusted quality from QIC Tools