Specifications Item Type: Computer Screw Kit Material: Alloy Steel Screw Type: Phillips Head Specifications: M2 x 3 Black, M2 x 4 Black, M2 x 5 Black, M2 x 6 Black, M2 x 8 Black, M2 x 10 Black, M2 x 2 Nickel Plated, M2 x 3 Nickel Plated, M2.5 x 4 Nickel Plated, M3 x 4 Nickel Plated, M2.5 x 4 Black, M2.5 x 5 Black, M2.5 x 6 Black, M2.5 x 8 Black, M3 x 4 Black, M3 x 5 Black, M3 x 6 Black, M3 x 8 Black, 20pcs of each type Purpose: Suitable for PC case, power supply, motherboard, hard disk, fan and floppy drive, CD-ROM drive, DVD-ROM, fixed installation Package List 360 x Computer Screw Kit (20 pieces of each type) Note: The product contains small parts, please keep out of reach of children to avoid accidental swallowing.