Computer Case Screw Kit for Motherboard Fan CD Drive and Hard Drive 775 Pcs All 775Pcs PC Screws are in one plastic case; Package Included: 100 Pcs x Fan Screws, 100 Pcs x Computer Case Screws, 100 Pcs x Screws for Hard Drive 100 Pcs x Screws for Mainboard, 100 Pcs x Screws for CPU Fan, 100 Pcs x Screws for CD Drive 25 Pcs x Hex Threaded Spacer, 100 Pcs x M3 Flat Metal Sealing 25 Pcs x M3*10*0.8 Flat Ring Sealing, 25 Pcs x M4*10*0.8 Flat Ring Sealing