1,MORE RELIABLE PACKAGING: The nut and bolt set is neatly placed in a plastic storage box, easy for you to access, store, carry, compact and portable 2,EASY TO USE: Bolts and nuts with standard hex threads are suitable for a variety of applications and easy to use, suitable for industrial and domestic use 3,EASY INSTALLATION: Common household tools make screws and nuts easy to install. Also equipped with corresponding flat washers for better tightening 4,ACCURATE AND CLEAN THREAD: All kinds of nuts and bolts use fine manufacturing process, bring smooth surface, clear thread without burr, to ensure that users have a good use experience 5,WIDE RANGE OF APPLICATIONS: Nut and bolt kits can be used in a wide range of household appliances, furniture window and doors, garages, outdoor gazebos or construction pet houses, as well as car, truck, RV, lawn mower, boat and yacht repairs 40 x M6 Series Bolts40 x M5 Series Bolts40 x M4 Series Bolts40 x M3 Series Bolts45 x M6 Series Nuts45 x M5 Series Nuts45 x M4 Series Nuts45 x M3 Series Nuts45 x M6 Series Flat Washers45 x M5 Series Flat Washers45 x M4 Series Flat Washers45 x M3 Series Flat Washers Item Type: Bolts Nuts Assortment KitMaterial: 304 Stainless steel 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.