940Pcs M3 M4 M5 Cross Pan Head Screws Nuts Bolts Washers Set 304 Stainless Steel Hex Socket Button Nuts and Bolts Set for Home Office Industrial Electronic with Storage BoxFeaturesCross pan head screws nuts bolts washers set made of superior galvanized, hard and durable, can prevent rust and corrosion.Galvanized screws with nuts and washers assortment set is easy to install and remove, it can be reused for a long time.All nuts and bolts assortment are packed in a plastic storage box according to their size, easy to store and carry.Nuts and bolts set Ideal for indoor and outdoor use, in the home and office appliance, communication equipment, ship assembly and other industry standard machines.