This computer screw set is made of , which can withstand use. Features the steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Assorted Color -Material: steel -Size: 3.00X2.00X1.00cm/1.18X0.79X0.39in - All screws packed within a storage box, it is easy to find your needed screws. - A practical computer screw set for computer case repair usage. - Comes with screws, bolts, washers, cables ties, screwdriver and brush for your needs. - It is simple in design, but very practical in use, which brings great convenience to you. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Package list: 48 x Paper washers 30 x black cross countersunk bolts 30 x Nickel-plated cross countersunk bolts x Nickel plated flange screws x Hexagon copper pillars 43 x Cross/round screws bolts 43 x Nickel-plated cross screws bolts 46 x Nickel-plated cross screws bolts 6 x Nickel plated thumb screws 6 x Black thumb screws 30 x Nylon cable ties 1 x Magnetic cross mini screwdriver 1 x Computer cleaning brush 1 x Plastic box with detachable partitions 1 x Cotton pad 1 x Adhesive sticker