Description: There are 10 types of Screws, total 165pcs in a box. Packed in a plastic box Quantity: 1 set(165pcs) Application: PC Maintenance etc. Packing List: Modelquantity:Quantity M3*5 Motherboard screws:20 M3*4 CD-ROM screws:10 M3*5 PC Case Screws:20 Hard-disk Screws:20 KB5*10 PC case Heatsink Fans Screws :20 M3*6+6 Motherboard Standoffs:10 M2.5*6 Notebook Cover Screws:20 M2.5*8 Notebook Cover Screws:20 M2.5*12 Notebook Cover Screws:20 Thumbscrews:5 Package included: 165× screws