• Includes M6 hex screws in sizes 16 mm, 20 mm, 25 mm, 30 mm, and 35 mm, with 10 units of each size. • Contains 60 M6 x 17 mm barrel nuts and an M4 Allen key. • Made with high-quality metal, anti-corrosive and rust-resistant, with a black coating for greater durability. • Screws with clear threads and smooth surfaces without burrs for easy installation and removal. • Sturdy and durable design, ideal for replacing broken bolts and preventing joints from moving or falling. • Suitable for a wide range of furniture, including cribs, wardrobes, and bunk beds, as well as office equipment and machinery. • All components are packed in a sturdy plastic box, with screws and nuts separated by size. • The nut slot size fits perfectly with the bolts to prevent loosening. • Clean and smooth surface, with clear threads and no wear to maximize the fixing effect. • The kit contains 121 units in total.