246Pcs Hex Head Nuts And Bolts Assortment Kit, Stainless Steel 1/4-20, ?Multi-size Hex Head Nuts and Bolts?: Nice nuts and bolts assortment includes a total of 10 sizes: 1/4"-20 x 3/4", 1/4"-20 x 1-1/2", 1/4"-20 x 1", 1/4"-20 x 2", 5/16"-18 x 3/4", 5/16"-18 x 1", 5/16"-18 x 1-1/2", 5/ 16"-18 x 2", 3/8"-16 x 2-1/2" and 3/8"-16 x 1-1/2"?meeting all demands. ?High Quality 304 Stainless Steel?: Nuts and bolts, washers are 100% made of high quality 304 stainless steel, which has superior anti-rust and abrasion resistance, anti-oxidation, corrosion resistance, no deformation, sturdy and durable, ensuring the service life of nuts and bolts. ?Bolts Nuts and Washer Assortment Kit?: Various sizes of 1/4", 3/8", 5/16"nuts and bolts, flat washers, spring washers 246pcs in total, standard hex heads screws , clear threads, even force, precise grip, speeding up the fastening process in many applications. ?Box with Compartments?: Bolts and nuts are stored in separate compartments inside the box , everything is kept in order, easy to take and storage. The reinforced box with detailed size information sheet pasted on both sides, even if mixed, can be quickly corresponded to the correct size. ?Wide Range of Applications?: Assorted nuts and bolts can be widely used in a variety of precision machinery, classification instruments, electronic products, household appliances, communication products ,and also suitable for small repairs of door handles, lamps, locks, toys, or other uses in garages and homes.