• Set consisting of 40 pieces of M5x10 threaded inserts and a hex key for installation. • Made of high-quality carbon steel with blue and white galvanized finish for greater resistance to corrosion and rust. • Unique external thread guarantees a strong biting force and prevents the insert from being extracted, twisted or vibrating. • Smooth, burr-free surface with clear, deep threads that facilitate assembly in various materials. • Simple installation by pre-drilling the hole and tightening with the included key. • Suitable for a wide variety of applications in wooden furniture, cabinets, sofas, chairs, doors and garden structures. • Compatible with materials such as steel, composite panels, plywood and pine.