Specification:
Package Quantity: 450 Pieces
Material: Brass, Nickel Plated Steel, Black Zinc Plated Steel, Fiber Paper
Type: Thumb Screw, Fan Screw, CD-ROM Screw, Hard Drive Screw, Mainboard Screw, Brass Standoffs, Brass Spacer, Main board insulation gasket

Feature:
Made of high quality brass, steel and fiber paper, steel with nickel and black zinc plated, which have superior rust resistance and excellent oxidation resistance.
Whether you are a PC building hobbyist or a professional tech, this set of replacement screw accessories is a necessity and the quantity should last for several projects

Package included:
Thumb screws 6#-32*6---------------------------10 Pieces
Thumb screws 6#-32*6---------------------------10 Pieces
Brass standoffs screws M3 x 6 + 6--------------20 Pieces
Chassis fans retaining screws M5 x 10----------30 Pieces
Main board washers M3 x 8---------------------100 Pieces
CD-ROM set screws M3 x 4-----------------------30 Pieces
Hard drive screws 6#-32*5----------------------30 Pieces
Steel standoffs screws 4#-40*5+7---------------20 Pieces
Chassis fans retaining screws M5 x 10----------30 Pieces
Chassis high-strength screws 6#-32*6----------30 Pieces
M3 x 6mm Brass standoffs----------------------20 Pieces
Flat head hard drive screws 6#-32*6-----------30 Pieces
Flat head hard drive screws 6#-32*6-----------30 Pieces
M3 x 4.8mm screws for 2.5" SSD----------------30 Pieces
Main board fixed screws M3 x 5----------------30 Pieces

Package Quantity: 450 Pieces

Warning: small parts, keep away from children and kids.