This 121-piece threaded insert assortment kit is a must-have for woodworking enthusiasts and professionals alike. Made from durable zinc-plated carbon steel, these inserts offer a secure and long-lasting solution for attaching hardware to wood. The kit includes a variety of sizes, including M4*10 (30 pieces), M5*10 (30 pieces), M6*10 (20 pieces), M6*15 (15 pieces), M8*15 (10 pieces), M10*25 (6 pieces), and M8*20 (10 pieces), ensuring you have the right insert for any project. These flanged hex socket inserts are designed for easy installation into pre-drilled holes, providing a sturdy threaded anchor for screws, bolts, and other fasteners. Whether you're building furniture, cabinets, or any other woodworking project, this comprehensive kit will streamline your workflow and deliver professional-grade results. Keep it handy in your workshop or toolbox for all your woodworking needs.