Premium MaterialOur mixed hexagon socket head cap screws and washers are made of excellent metal material with smooth edges, which has good resistance to corrosion, rust and oxidation , ensuring a long service life. Easy to use These different sets of wooden nuts, bolts and washers for pan head screws are easy to use. Our thread is smooth, clean and precise. And the compact thread is not easy to deform and slip when rolling. Easy to store All M3 M4 M5 M6 cap head screws, bolts and nuts are stored in a box of Separate plastic storage, easy to store, use, carry and grip, perfect for replacing broken and missing screws. Wide ApplicationsThis package includes a variety of popular sizes of wood screws , nuts and washers, widely used in machinery, furniture, automobiles, motorcycle repairs, environmental protection equipment, communication equipment, electrical equipment, electronic products, assembly of ships and DIY inventions. What you will get You will get 16 types of screws, the size of M3x6mm, M3x10mm, M3x14mm, M3x20 mm, M4x10mm, M4x20mm, M4x25mm, M4x30mm, M5x20mm, M5x30mm, M5x40mm m6x10, m6x20, m6x30, m6x40 4 types of nuts and 4 types of washers a total of 900g, enough for daily use, and meets your different daily needs. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.