The countersunk screw replacement set is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical countersunk screw replacement set. Features -Color: Black -Material: steel -Size: 1.00X1.00X1.00cm/0.39X0.39X0.39in - Paper washer works as great buffering between screw and computer case. - Excellent laptop repair screw kits are suitable for many brands of computers. - If you're a typical home computer user, it will probably be the only set of screws you will need. - Countersunk design screw, neat and clean, the surface is even after installation. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 30 x M3x8x1 paper washers x cross countersunk bolts x nickel-plated cross countersunk bolts x .5x6 flange screws x M3x6 hexagonal copper pillars 30 x .5x5 Cross screw bolts 30 x M3x4 cross screw bolts 30 x M3x5 cross screw bolts 6 x .5x5 plated thumb screws 6 x .5x5 black thumb screws