Premium MaterialOur mixed hexagon socket head cap screws washers are made of excellent metal material with smooth edges, which has good resistance to corrosion, rust oxidation , ensuring a long service life Easy to use These different sets of wooden nuts, bolts washers for pan head screws are easy to use Our thread is smooth, clean precise the compact thread is not easy to deform slip when rolling Easy to store All M3 M4 M5 M6 cap head screws, bolts nuts are stored in a box of Separate plastic storage, easy to store, use, carry grip, perfect for replacing broken missing screws Wide ApplicationsThis package includes a variety of popular sizes of wood screws , nuts washers, widely used in machinery, furniture, automobiles, motorcycle repairs, environmental protection equipment, communication equipment, electrical equipment, electronic products, assembly of ships DIY inventions What you will get You will get 16 types of screws, the size of M36mm, M310mm, M314mm, M320 mm, M410mm, M420mm, M425mm, M430mm, M520mm, M530mm, M540mm; m610, m620, m630, m640; 4 types of nuts 4 types of washers; a total of 900g, enough for daily use, meets your different daily needs