Metal screws-- this computer screw bracket kit is very suitable for DIY PC assembly enthusiasts or professional PC repairers.
Countersunk head screws-- if you're a typical home computer user, it will probably be the only set of screws you will need.
-- solid and sturdy screws, can be used for a long time.
Computer repair screws-- countersunk head design enables driving where it doesn't have sufficient space for wrenches.
Paper washer-- it is manufactured with professional technology to ensure the high-quality of the product and can work for a long time.