Exquisite Material: Threaded inserts for wood are made of high-quality carbon steel, blue and white zinc, smooth edges without burrs, exquisite workmanship, high hardness, corrosion resistance, rust resistance, strong and durable.Easy to Install and Use: The threaded inserts are convenient to use and easy to install, just drill the right size hole and use a hex wrench to install. And all wood threaded inserts are placed in storage boxes, allowing you to store all sizes neatly and orderly.Practical Design: Our wood threaded insert adopts standard inner hexagon head structure, smooth and flat, with flange thread texture, clear thread, strong fixation, more stable and reliable, providing longer service life and more reliable installation.Multi-scenario Application: Suitable for softwood, such as pine, plywood, fiberboard, etc.; also suitable for hardwood, such as solid wood, composite materials. It has a good effect in high-grade furniture combination, such as cribs, tables, chairs, etc.Package Includes: A total of 140 pieces, and the sizes include: 46 pcs m6x10mm, 35 pcs m6x13mm, 20 pcs m6x15mm, 15 pcs m6x17mm, 15 pcs m6x20mm, 9 pcs m6x25mm, sufficient quantity and rich sizes to meet the needs of different fields.