Introducing the Replacement Tungsten Carbide Cutter Inserts by POWERTEC. This set includes 2 insert for the extra long straight tool, 2 insert for the shallow swan-neck tool, and 2 insert for the deep swan-neck tool. Each insert is perfect for a variety of deep hollowing tasks, from preliminary undercutting to deep undercuts in large bowls, hollow form projects, and more.【Easy to Use】These replacement inserts are for wood hollowing tools that are suitable for woodworkers of all skill levels, from beginners to experts. They have a simplified learning curve, with no complicated angles to learn or remember.【Elevate Your Woodworking】Whether you're a professional woodworker or a hobbyist, these POWERTEC 71831 Replacement Inserts for Wood Lathe Turning Tools are the perfect addition to your workshop. With their durability, versatility, and ease of use, they'll help you keep your turning tools in perfect working order, allowing you to take your woodworking skills to the next level.【Long-Term Durability】Tungsten carbide is known for its extreme hardness and durability, making it the perfect material for wood lathe turning tools. These TCT inserts are designed to withstand the abrasive nature of wood and maintain their sharpness over time, resulting in smoother and more precise woodworking applications.