DSLRKIT M3 x 5mm Flat Head Screw for 2.5" Hard Drive Hot Swap Caddy TRAY SSD HDD (pack of 100) High Quality Flat Head M3 x 5mm Screws These are used for fastening and mounting 2.5" Hard Drive hot swap Caddy TRAY Thread size: M3; Length: 5mm(3/16"); Head Type: Flat; Drive: Phillips; Material: Steel; Finish: Nickel Plated Item Included: M3 x 5mm Flat Head Screws x100pcs