If you are looking for a professional and affordable computer cooling fan screws, then your research is over here. That’s because our cooling fan screw set can satisfy your need. Made of premium material, they are practical and durable. Includes 30 long/short screws to meet your need. Easy to install and fix well computer cooling fan. Features - Brand:Balacoo.- Color: Black.- Material: Carbon steel.- Long screw size: About length 30mm, fixed interface: 3.4mm.- Short screw size: M5, About8mm length.- They are made of carbon steel, strong and durable.- Include 30pcs long/short screws to satisfy your need.- Long screws are used for special position.- Short screws has M5 flat head and self tapping design.- Easy to install to fix your computer cooling fan.Packing list: 30 x Balacoo Long Screws 30 x Balacoo Short Screws